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User / Steven Falk / Sets
Steven Falk / 500 items

Cordulia aenea (Downy Emerald)
12 photos
A medium-sized (body length about 50mm), metallic green dragonfly with a clubbed abdomen and a particularl hairy thorax. Mature adults have bright green eyes but these are initially brown. Not easily...

Chrysis terminata
6 photos

Chrysis fulgida (Aspen Rubytail)
4 photos

Chrysis species indet
3 photos

Chrysis terminata
3 photos


Chrysura hirsuta (Pinewood Rubytail)
9 photos
xxx BWARS account: bwars.com/index.php/wasp/chrysididae/chrysidinae/chrysura...

Crossocerus wesmaeli
3 photos

Trichrysis cyanea
1 photo

Chrysotus blepharosceles (Back-legged Chrysotus)
6 photos

Dolichopus atratus
18 photos
A medium-sized Dolichopus (body length 4.5-5.5mm), one of several species with the combination of entirely black legs and entirely black postocular setae. Males are readily distinguished by the...


Dolichopus discifer
7 photos

Dolichopus popularis
1 photo

Thinophilus flavipalpis
13 photos
A fairly large (body length 5.5.6 mm), robustly built dolichopodid with no acrostichal bristles, 5-6 pairs of dorsocentrals, a largely reddish and rounded 3rd antennal segment with a dorsal arista,...

Nomada species nr zonata
24 photos
In all probability an extreme male zonata lacking any yellow on tergite 1 (but with extensive brown integument) and unusally long hairs on the underside of the hind femora. Collected by Richard...

Pegoplata patellans
5 photos


Graphogaster brunnescens
41 photos
A small (body length 3.5-4.5mm), heavily greyish-brown dusted tachinid with a long wing petiole. The facial ridges are bare except for 2-3 bristles immediately above the vibrissae. The parafacialia...

Rhagoletis alternata (Rosehip Picturewing)
13 photos

Dithryca pupillata (Yarrow Stem Picturewing)
12 photos

Trypeta zoe (Dimorphic Trypeta))
4 photos

Trypeta immaculata (Northern Trypeta)
6 photos


Trypeta artemisiae (Mugwort Trypeta)
8 photos

Stemonocera cornuta (Horned Picturewing)
4 photos

Platyparea discoidea (Bellflower Picturewing)
4 photos

Philophylla caesio (Nettle Picturewing)
6 photos

Euleia heraclei (Hogweed Picturewing)
17 photos


Cryptaciura rotundiventris (Scribbled Picturewing)
9 photos
A small but very distinctive tephritid with a shiny black body and black wings that are broadest in the apical half and unusually narrow and tapered towards the base. Hyaline wedges of variable size...

Cornutrypeta spinifrons (Spiny-headed Picturewing)
4 photos

Chaetostoma curvinerve (Honeysuckle Picturewing)
11 photos

Anomoia permunda (Haw Picturewing)
15 photos

Acidia cognata (Coltsfoot Picturewing))
11 photos


Rhagoletis meigenii (xx)
4 photos

Xyphosia miliaria (Orange Thistle Picturewing)
19 photos

Terellia winthemi (Welted Thistle Terellia)
4 photos

Terellia vectensis (Sawwort Terellia)
4 photos

Terellia serratulae (Clear-winged Terellia)
11 photos


Terellia ruficauda (Spot-winged Terellia)
13 photos

Terellia longicauda (Woolly Thistle Terellia)
41 photos

Terellia fuscicornis (xx)
4 photos

Terellia colon (Greater Knapweed Terellia)
12 photos

Terellia tussilaginis (Burdock Terellia)
30 photos


Orellia falcata (Goatsbeard Picturewing)
14 photos

Chaeostomella cylindrica (xx)
14 photos

Chaetorellia loricata (Scarce Chaetorellia)
4 photos

Chaetorellia jaceae (Common Chaetorellia)
16 photos

Trupanea stellata (Stellate Picturewing)
8 photos


Trupanea amoena (Scarce Stellate Picturewing)
4 photos

Tephritis vespertina (Catsear Tephritis)
14 photos

Tephritis ruralis (Hawkweed Tephritis)
4 photos

Tephritis praecox (Marigold Tephritis)
4 photos

Tephritis neesii (Oxeye Daisy Tephritis)
19 photos


Tephritis matricariae (Hawksbeard Tephritis)
15 photos

Tephritis leontodontis (Hawkbit Tephritis)
10 photos

Tephritis hyoscyami (Welted thistle Tephritis)
12 photos

Tephritis formosa (Sowthistle Tephritis)
23 photos

Tephritis divisa/separata (Oxtongue Tephritis)
15 photos


Tephritis conura (Northern Tephritis)
8 photos

Tephritis cometa (Spider-winged Tephritis))
13 photos

Tephritis bardanae (Burdock Tephritis)
11 photos

Sphenella marginata (Banded Ragwort Picturewing)
14 photos

Oxyna parietina (Mugwort Oxyna)
4 photos


Oxyna nebulosa (Oxeye Daisy Oxyna)
12 photos

Oxyna flavipennis (Yarrow Oxyna)
4 photos

Merzomyia westermanni (Large Ragwort Picturewing)
21 photos

Dioxyna bidentis (Bur-marigold Picturewing)
12 photos

Campiglossa solidaginis (Pale Goldenrod...
4 photos


Campiglossa producta (Long-tongued Campiglossa)
4 photos

Campiglossa plantaginis (Sea Aster Campiglossa)
17 photos

Campiglossa misella (Mugwort Campiglossa)
9 photos

Campiglossa malaris (Ragwort Campiglossa)
26 photos

Campiglossa loewiana (Dark Goldenrod Campiglossa)
4 photos


Campiglossa grandinata (Sussex Campiglossa)
4 photos

Campiglossa argyrocephala (Sneezewort Campiglossa)
4 photos

Campiglossa absinthii (Wormwood Campiglossa)
18 photos

Acinia corniculata (Spangle-winged Picturewing)
13 photos

Acanthiophilus helianthi (Smudge-winged Knapweed...
13 photos


Noeeta pupillata (Hawkweed Picturewing)
12 photos

Ensina sonchi (Least Picturewing)
4 photos

Urophora stylata (Spear Thistle Urophora)
22 photos

Urophora spoliata (Sawwort Urophora)
4 photos

Urophora solstitialis (Musk Thistle Urophora)
21 photos


Urophora quadrifasciata (Little Urophora)
22 photos

Urophora jaceana (Common Knapweed Urophora)
22 photos

Urophora cuspidata (Greater Knapweed Urophora)
14 photos

Urophora cardui (Thistle Gall Urophora)
23 photos

Myopites inulaedyssentericae (Fleabane...
7 photos


Myopites eximius (Golden Samphire Picturewing)
15 photos

Aesculus assamica (Assam Buckeye)
7 photos
A close relative of the Indian Horse Chestnut with a natural range that extends from east India (Sikkim) eastward to southern China (Guangxi) and northern Vietnam. Found in a few British collections...

Paragus quadrifasciatus
3 photos
Added to the British list by Warry, Opdekamp & Morris (2024, Dipterists Digest 31: 53-56) based on a photograph taken near the Cherton Tunnel entrance in East Kent on 6 July 2023.

Chirosia histricina (Lesser Bracken Chirosia)
14 photos
In the field resembling a small version of C. flavipennis with darker wing bases. It is the only Chirosia with a long-pubescent antennal arista, the ray hairs being several times the basal diameter...

Chrysotus gramineus
11 photos


Sciapus platypterus
2 photos

Gymnopternus cupreus
5 photos

Hydrophorus nebulosus (Spotty-winged Hydrophorus)
5 photos

Hydrophorus oceanus
11 photos

Hydrophorus praecox
7 photos


Rhaphium riparium
13 photos
xxx A widespread but localised species usuallu encountered resting on sunlit foliage of woodland streams and rivers. NBN map: species.nbnatlas.org/species/NBNSYS0000012727

Hilara interstincta
1 photo

Chirosia grossicauda
1 photo

Lasiomma seminitidum
1 photo

Lasioglossum aeratum
35 photos


Chlorops scalaris
3 photos

Eurina lurida
4 photos

Lipara lucens (Large Cigar-gall Fly)
10 photos

Lipara rufitarsis
2 photos

Meromyza pratorum (Dune Meromyza)
5 photos


Platycephala planifrons
2 photos

Thaumatomyia notata
2 photos

Syntormon macula
1 photo

Argyra argyria
12 photos

Rhaphium appendiculatum
14 photos


Rhaphium crassipes
4 photos

Lasiomma strigilatum
2 photos

Pegoplata infirma
5 photos

Pegomya bicolor
13 photos

Andrena ventralis (Red-vented Sallow Mining Bee)
14 photos
A medium-sized mining bee (about the size of Andrena dorsata). Females are easily recognised by the almost entirely red underside to the abdomen (including the sides of the tergites) coupled by...


Argyra diaphana (Hairy-saddled Argyra)
20 photos
The largest British Argyra (body length 6.5-7.5mm) and the only one with the top of the scutellum hairy. A. diaphana is frequent in woods throughout England and Wales but scarcer in Scotland. Adults...

Argyra leucocephala (Black-faced Argyra)
12 photos

Dolichopus diadema (Long-faced Dolichopus)
10 photos
A fairly large Dolichopus (body length 5.5-6.25mm) readily distinguished from other species with mostly orange legs by the combination of a rectangular kink in the discasl vein (m) bearing a short...

Dolichopus maculipennis (Mountain Dolichopus)
7 photos

Dolichopus ungulatus Bristly-thighed Dolichopus)
15 photos
A failry large Dolichopus (body length 5.5-7mm) readily distinguished from other orange-legged species by the combination of entirely black postocular bristles with the presence of several strong...


Liancalus virens
8 photos

Machaerium maritimae
2 photos

Poecilobothrus nobilitatus (Semaphor...
27 photos
A failry large dolichopodid (body length 5.5-6.5mm) with unmistakeable males due the black banded wings with a conspicuus white tip.

Poecilobothrus principalis (Orange-horned...
13 photos
A fairly large dolichopodid (body length 5-6.75mm) distinguishable from the three other Poecilobothrus species by the largely orange antennae. The face is glistening white. Males lack any darkening...

Rhaphium longicorne
3 photos


Scellus notatus
4 photos

Aphrosylus celtiber
12 photos
A fairly large, dark grey dolichopodid with no metallic green reflections. It inhabits rocky shores with rock pools and intertidal rock faces that have barnacles. Adults run rapidly over exposed...

Empis borealis (Brown-winged Dance Fly)
28 photos
A fairly large (body length 5.5-8 mm), dark-looking dance fly, with dark brown wings and a hairy face. Females are instantly recogniseable due to the markedly broadened wings. Males have the legs...

Empis digramma (Two-striped Xanthempis)
5 photos
Readily distinguished from other dance flies by the orange or pinkish body with a broad dark median stripe on the thoracic dorsum flanked by two blackish stripes aligned with the dorsocentrals. The...

Empis femorata (Thick-thighed Empis)
16 photos
A medium-sized (body length 5.5-6.5 mm), grey-dusted, rather stocky dance fly with three rather weak dark stripes on the top of the thorax aligned with the bristle rows. Both sexes have swollen hind...


Empis grisea (Griseous Dance-fly)
1 photo
A medium-sized (body length 4-6 mm), greyish dance fly with the prothoracic sternum only hairy at the sides in contrast to similar-sized species such as E. femorata (female), E. picipes and E. tumida...

Empis livida (Tan Dance Fly)
11 photos
A fairly large dance fly (body length to 10 mm) with a tan dusted body and a particularly long proboscis (nearly four times the height of the head). There are three dark stripes on the thorax and...

Empis lucida (Black Highland Dance Fly)
17 photos
One of two very similar, medium-sised, shiny black Empis species of upland and mountainous districts. It varies from the other (E. verralli) by the larger size (body length to 9 mm), presence of...

Empis opaca (Dark-kneed Empis)
4 photos
A fairly large dance fly (body length to 10 mm) resembling the red-legged form of E. tessellata or E. livida but with four rather than three dark stripes on the top of the thorax thorax, these...

Empis stercorea (Single-striped Xanthempis)
2 photos
One of two medium-sized (body length to 9 mm) orange 'Xanthempis' species with a single dark stripe on the top of the thorax. Separable from the other (X. aemula) using male genitalia plus the the...


Empis tessellata (Tessellated Dance Fly)
28 photos
Britain's largest dance flies (body length to 12 mm), a brownish-grey dusted, gangley fly with three dark stripes on the thorax and yellowish wing bases. Most have the femora extensively darkened but...

Empis trigramma (Three-striped Xanthempis)
5 photos
One of several 'Xanthempis' species with the top of the thorax substantially darkened, but the only one with three dark stripes separated by reddish interstices. The reddish stripes are occasionally...

Empis verralli (Verrall's Highland Dance Fly)
10 photos
A medium-sized, shiny black Empis that was described new to science by J. E. Collin based on Welsh and English material. It is one of a pair of similar species (subgenus Anacrostichus) but can be...

Rhamphomyia pilifer (Tooth-legged Rhamphomyia)
1 photo
A medium-sized, grey-dusted and dark-legged Rhamphomyia with males that are readily recognised through the form of the genitalia and hind legs. R. pilifer is a widespread and frequent in and around...

Chirosia similata
9 photos


Alliopsis atronitens
6 photos

Alliopsis billbergi (Billberg's Alliopsis)
9 photos

Alliopsis silvestris
17 photos

Anthomyia pluvialis (Split-spot Anthomyia)
8 photos
One of five boldly grey and black patterned British Anthomyia species but the only one with five black patches on top of the thorax behind the thoracic suture due to the lateral spots of species such...

Anthomyia procellaris (Big-spot Anthomyia)...
16 photos
One of three boldly grey and black-patterned British Anthomyia species with three black patches on top of the thorax behind the thoracic suture. Only separable from A. bazini by checking the...


Botanophila fugax
20 photos

Calythea nigricans
4 photos

Chiastocheta species
11 photos
Five British of small, grey-dusted anthomyiids with relatively samll heads that develop in the seeds of Globeflower. Adults are typically encountered on or within the flowers and are importnat...

Chirosia flavipennis (Greater Bracken Chirosia)
27 photos
One of the more easily-distinguished Chirosia species due to the plumose aristae and yellow-tinted wing bases. The shape is also distinctive, with a proportionately small bead and abdomen coupled...

Delia platura (Bean Seed Fly)
8 photos


Delia radicum (Cabbage Roof Fly)
22 photos
A medium-sized (body length 5-8 mm), slimly built, dark grey anthomyiid with three broad but ill-defined dark stripes on the thorax and prealar bristles that are much longer then the notopleurals,...

Egle ciliata (Large Pussy-willow Fly)
14 photos

Emmesomyia socia
15 photos

Eustalomyia festiva (Subplumose Log Fly)
11 photos
One of three black legged Eustalomyia’s but the only one with subplumose aristae (hairs about half the width of a third antennal segment). Most similar in size (body length 6-11 mm) and appearance...

Eustalomyia hilaris (Plumose Log Fly)
12 photos
A relatively small Eustalomyia (body length 5-8 mm), readily distinguished from other three black-legged species by the long-plumose antennal aristae, with the longest hairs equal in length to the...


Eustalomyia histrio (Pubescent Log Fly)
11 photos
One of three black-legged Eustalomyia’s but the only one with a short-pubescent arista (hairs no longer than the basal width of the arista). Most similar in size and appearance to E. festiva (body...

Eustalomyia vittipes (Orange-legged Log Fly)
5 photos
Readily distinguished from the other three Eustalomyia species by the orange palps and mostly orange-red legs. E. vittipes is scarce in the southern half of It is presumed to be a cleptoparasite of...

Eutrichora praepotens
10 photos

Fucellia fucorum (Dark-legged Strandline Fly)
9 photos
The only Fucellia with entirely dark legs (at most the bases of the tibiae are obscurely pale), and a relatively short and wide mentum. The palps are entirely dark, short and swollen (longer, slimmer...

Fucellia tergina (Narrow-jowled Strandline Fly)
3 photos
One of two Fucellia species with the tibiae usually extensively brownish (at least basally), rather long and narrow, partially pale palps, and the mentum relatively long and narrow. Best...


Hydrophoria lancifer
19 photos

Hydrophoria linogrisea
12 photos

Hydrophoria ruralis
19 photos

Hylemya nigrimana (Yellow-thighed Hylemya)
11 photos
The largest British Hylemya with a body length that regularly attains 9 mm. Males are readily distinguished by the yellow mid and hind femora (yellow tibiae too) and have a paler, greyer body than...

Hylemya vagans (Black-thighed Hylemya)
25 photos
The second largest Hylemya (body length up to 8.5 mm). Males are readily distinguished from the other species by the combination of black femora and mostly yellow or brownish tibiae (with tips...


Hylemya variata (Long-claspered Hylemya)
8 photos
One of two relatively small Hylemya species (body length 4-7 mm) with fully dark legs, at least in males. Males can easily be distinguished from those of H. variata by checking the male genitalia...

Hylemyza partita
11 photos

Leucophora obtusa
11 photos

Leucophora personata
6 photos

Mycophaga testacea (Plumose Mycophage)
11 photos
A medium-sized anthomyiid (body length 5-9 mm) that is readily distinguishable by the combination of plumose aristae, grey thorax with a yellowish scutellum rim (and sometimes humeri), orange...


Paradelia intersecta
12 photos

Paregle audacula
5 photos

Pegomya rubivora
8 photos

Pegomya geniculata
6 photos

Pegoplata aestiva
10 photos


Pegoplata annulata
9 photos

Zaphne ambigua
4 photos

Zaphne divisa
10 photos

Zaphne nuda
4 photos

Siphona tristella (Grantown Short-tongue)
3 photos
One of five short-tongued Siphona’s. The thorax has four pairs of postsutural dorsocentrals like S. lichtwardtiana and S. tenuipalpis and the abdomen lacks the large orange side markings found in...


Siphona tenuipalpis (Plain Short-tongue)
4 photos
One of five short-tongued Siphona’s. The thorax has four pairs of postsutural dorsocentrals like S. lichtwardtiana and S. tristella but the length of the haustellum is about two-thirds the minimum...

Siphona female indet (Crymlyn)
19 photos
One of several female I have from assorted locations with a size and build like geniculata but with the third antennal segment extensively orange at the base. They have four postsutural dorsocentrals...

Siphona collini (Collin’s Siphona)
26 photos
(based largely on a male from Stanground, Cambs). A very small Siphona (body length about 3 mm). The combination of small size, dark males, only three pairs of postsutural dorsocentrals, lack of...

Siphona male indet Oxwich
14 photos
Possiblya Siphona variata male with an unusually dark abdomen.

Siphona indet male - Bishops Bowl
24 photos
A male with the size, build and chaetotaxy of S. geniiculata but the abdomen is very extensively yellow with a long dark median stripe. I have similar males from many sites, some without median...


Siphona verralli (Verrall’s Short-tongue)
5 photos
One of five short tongued Siphona’s in Britain. Separable from the others (S. abdominalis, S. lichtwardtiana, S. tenuipalpis and S. tristella) by the normal sized rather than small and filiform...

Tenthredo marginella
10 photos

Clemelis pullata
33 photos
A medium-small (body length 4.8-7 mm), hairy-eyed, heavily dusted tachinid with a reddish tip to the scutellum and yellowish wing bases (resembling a densely dusted Phrxye). The facial ridges have...

Labigastera forcipata (Boat Bug Parasite Fly)
39 photos
A medium-small (6-9 mm CHECK), bare eyed, rather bristly dark tachinid with light dusting. The facial ridges have setae confined to the lower quarter. The parafacialia are bare below the descending...

Frontina laeta (Eyed Hawkmoth Parasite Fly)
42 photos
A medium-sized (body length 9-11 mm), bare-eyed, densely buff-dusted tachinid with several strong bristles on the facial ridges, a mostly orange ground colour to the abdomen and pale hairs on the...


Leskia aurea (Golden Parasite Fly)
38 photos
Resembling a large (body length 7.5-9.5 mm), golden-dusted Solieria with the ground colour of the frons, face, humeri, scutellum, tergites and coxae yellowish. It also varies from Solieria in having...

Zenillia libatrix (True Zenillia)
26 photos
A medium-small (body length 6-8.5 mm), hairy eyed, densely cinereous dusted tachinid with yellowish wing bases and mostly dark legs. The facial ridges have setae rising about halfway up. The...

Peleteria iavana (Narrow-cheeked Peleteria)
4 photos
Closely resembling P. rubescens on the field (with similar reddish abdominal markings) but it has the second antennal segment reddish, much narrower parafacialia (about half the width of an eye) and...

Peleteria rubescens (Broad-cheeked Peleteria)
39 photos
A large tachinid (body length 9-14 mm) that closely resembles Tachina fera and T. magnicornis but varies in the following ways: the antennae are almost completely dark, the parafacialia are much...

Catharosia albisquama (White-flapped Catharosia)
6 photos
A really tiny tachinid (about 2 mm long) that resembles C. pygmaea but lacks milky spots at the wing tips (though the costal area is darkened) and has whitish lower calypters (dark grey in C....


Litophasia hyalipennis
1 photo
A small (body length 4.5-5 mm) black, rather flattened phasiine that resembles a large, robust, big headed male Catharosia pygmaea but with clear wings. The venation is very similar too, with a...

Actia crassicornis (Under-bristled Actia)
46 photos
A small (body length 4-5.5 mm) bare-eyed, dark-bodied tachinid with numerous setae on the upper surface of the wings and also several underneath the final section of R1 (unique to this species). The...

Actia infantula (Bare-veined Actia)
37 photos
Readily distinguished from all other British Actia species by the lack of setae along vein Cu. The female antennae have the first two segments and the basal half of the third segment, on both faces,...

Actia pilipennis (Pale-horned Actia)
42 photos
Very similar to A. crassicornis but differing in the following respects: the final section of vein R1 usually lacks setae ventrally, the female third antennal segments are usually reddish for about...

Siphona variata (Dune Siphona)
63 photos
A medium-sized Siphona (body length typically 4 mm) with the head about 1.5 times higher than long, vibrissae inserted below a level formed by the bottom of the eye (a feature only shown by a few...


Siphona setosa (Bristly-palped Siphona)
33 photos
A medium to largish Siphona (body length 4.5-5.5 mm) with particularly long marginal bristles on the tergites, very bristly palps and long male antennae. The male head in side view is about 1.5 times...

Siphona pauciseta (Eastern Siphona)
73 photos
A relatively small and slim Siphona (body length 3-3.5 mm). with the head viewed from the side 1.5 times (male) or 1.25 (female) higher than long. The parafacialia are narrower than the width of a...

Siphona maculata (Maculated Siphona)
48 photos
A relatively small Siphona (body length 3-4.0 mm), readily recognised from other Siphona species (except S. ingerae) by the combination of three postsutural dorsocentrals, a haustellum that is about...

Siphona ingerae (Dark-knobbed Siphona)
29 photos
A medium- large (body length 4.5-5 mm), long winged and leggy Siphona, sharing with S. maculata the presence of three broad brown vittae on the thoracic dorsum, three pairs of postsutural...

Siphona hokkaidensis (Hokkaido Siphona)
3 photos
This species has the following characteristics. Body length 3.5-4.5 mm. Dusting of head and thorax rather yellowish. Head about 1.5 times as high as long in male, but only about 1.25 in females Male...


Siphona geniculata (Common Siphona)
64 photos
Typically, a medium to large, fairly robust Siphona (body length up to 5.5 mm but can be as short as 3 mm) best identified using a combination of head and antennal proportions plus chaetotaxy but...

Siphona flavifrons (Yellow-bellied Siphona)
3 photos
A medium-sized Siphona (body length 4.5 mm) usually with the abdomen extensively subshining yellow. The antennae have the first two segments conspicuously yellow-orange. The third segment of males is...

Siphona cristata (Golden-fronted Siphona)
77 photos
A medium-large Siphona (body length 4-5.5 mm). The parafacialia are at least as wide as the width of a palp, with an average of six small setulae at the top below the descending frontals (usually...

Siphona confusa (Mesnil’s Siphona)
3 photos
Similar to S. variata, sharing with this species vibrissae being inserted below a level formed by the bottom of the eyes. It can apparently be distinguished by its darker basal antennal segments,...

Siphona boreata (Dark-kneed Siphona)
3 photos
This species has the following characteristics. Body length 4-5 mm. Haustellum longer than the head height. Tergite 1+2 with strong laterals but no median marginals. Tergite 3 with 4 marginals....


Phytomyptera zonella (Bristly-shinned...
3 photos
P. zonella can be distinguished from P. cingulata and P. minutissima by the possession of 3 (as opposed to 2) dorsal apical spurs on the hind tibiae, 3 pairs (as opposed to 2) of presutural...

Phytomyptera nigrina (Short-veined Phytomyptera)
39 photos
Readily distinguishable from the other Phytomyptera species, indeed all other British tachinids, by the absence of cross-vein m-cu combined with the truncated vein M, which finishes some distance...

Phytomyptera minutissima (Unequal sectored...
3 photos
Resembling P. cingulata but the distance of M between cross-vein m-cu and the upcurve is 1.5 - 2.0x as long as that between cross-veins r-m and m-cu (as opposed to 0.8 and 1.3 in cingulata), the...

Phytomyptera cingulata (Equal-sectored...
38 photos
A small (body length 3-4.5 mm), bare-eyed, dark-legged tachinid. The facial ridges are bare except for 2-5 setae just above the vibrissae. The parafacialia are bare below the descending frontals and...

Gymnosoma clavatum
4 photos
Added to the UK list from the Channel Islands.


Anthomyiopsis plagioderae
4 photos

Anthomyiopsis nigrisquamata
4 photos

Bithia demotica
4 photos
Bithia demotica (Portland Bithia) Discovered in Britain by Ivan Perry from the Isle of Portland in 2006. It resembles B. spreta but vein R4+5 has bristles not extending beyond cross vein r-m, and it...

Neaeria laticornis (Milky-winged Parasite Fly)
43 photos
A small (body length 5-7 mm), bare-eyed, densely pale grey dusted tachinid with milky-white wings and dark legs. The facial ridges have setae confined to the lower third. The parafacialia are half or...

Siphona lichtwardtiana (Lichtwardt’s...
4 photos
A short-tongued Siphona resembling S. abdominalis,with similar abdominal markings but with four rather than three pairs of postsutural dorsocentrals, a more distinct dark median stripe on the...


Siphona abdominalis (Short-tongued Siphona)
43 photos
A medium-sized Siphona (body length 3-4.5 mm), usually with a strongly patterned abdomen with orange side patches basally. One of five short-tongued Siphona’s. The parafacialia typically have 3-5...

Phaonia aeneiventris (Aeneous Bristleshin)
27 photos
Possible third British (and first Scottish) specimen but requires confirmation.

Phaonia amicula
24 photos
Possible first British specimen (Warwickshire). Requires confirmation.

Neaeria latipennis (Milky-winged Parasite Fly)
39 photos

Platymya fimbriata (Fimbriate Parasite Fly)
45 photos
A medium-small (body length 5-7.5 mm), stockily built, hairy-eyed, black-legged tachinid with grey dusting on a dark body. Not easily distinguished from other similar-looking, hairy-eyed tachinids in...


Erycia furibunda (Marsh Fritillary Parasite Fly)
33 photos
A medium-sized (body length 7-9 mm), bare-eyed, dark-legged, robustly built tachinid with a densely grey-dusted body and a partially orange scutellum. The facial ridges have setae confined to the...

Meigenia mutabilis large form
41 photos
There are two forms with few intermediates. The smaller form (body length 3-5 mm) is darker in both sexes and males have a pair of large spots on tergites 3 and 4 which usually coalesce with the...

Solieria inanis (Narrow-fronted Solieria)
3 photos
Males resemble those of S. pacifica and S. fenestrata but the tarsal claws (and also the pulvilli if not shrivelled) are longer than the last tarsal segment. The front femora are usually entirely...

Solieria fenestrata (Dark-palped Solieria)
74 photos
Closely resembling S. pacifica but the male frons is about one-quarter the head width (clearly narrower than an eye), the tarsal claws are slightly longer (about as long as the last tarsal segment),...

Solieria vacua (Dark-tailed Solieria)
21 photos
Males resemble those of other Solieria species but have the combination of a frons that is about one-third the width of the head (wider than in S. fenestrata but narrower than in S. pacifica) and...


Gymnocheta lucida (Blunt-winged Green Parasite...
36 photos
A metallic tachinid closely resembling G. viridis but with a broader male frons (about one-quarter the width of the head), blunter wings (with cell R4+5 less drawn out apically) and differences in...

Macquartia viridana (Brassy Macquartia)
45 photos
Males average as our largest Macquartia’s (body length to 11 mm) and are also readily distinguishable from other males by the entirely orange femora and tibiae. The thoracic dorsum has three broad,...

Macquartia tessellans (Tessellated Macquartia)
21 photos
A medium-sized (body length of featured specimen 8 mm), rather robust, pale grey-dusted Macquartia with a conspicuous pattern of shifting tessellations on the tergites. It is one of only two British...

Macquartia tenebricosa (Dark-legged Macquartia)
45 photos
A medium-sized (body length 5-9 mm), dark grey, lightly dusted Macquartia, one of three species with the combination of lower calypters that run alongside (rather than diverging from) the sides of...

Macquartia pubiceps (bare-faced Macquartia)
40 photos
A rather small, shining black Macquartia (body length 5-7.5 mm) with very little dusting on the abdomen or hind section of the thoracic dorsum but paler dusting at the front of the thorax where there...


Macquartia nudigena (Spiny-winged Macquartia)
27 photos
A relatively small (body length 5-7 mm), dark grey Macquartia with a particularly long costal spine on each wing and long dorsal setae on the node of R4+5. The parafacialia are bare. The palps vary...

Macquartia grisea (Long-legged Macquartia)
48 photos
A medium-sized (body length 5.5-8 mm), rather slim and noticeably long-legged Macquartia. The parafacialia are hairy on the upper half only and the palps blackish. The male eyes are separated by...

Hydrotaea velutina
3 photos

Hydrotaea tuberculata
3 photos

Hydrotaea similis
10 photos


Hydrotaea pilitibia
5 photos

Hydrotaea pilipes
3 photos

Hydrotaea parva
3 photos

Hydrotaea pandellei
9 photos

Hydrotaea palaestrica
3 photos


Hydrotaea nidicola
3 photos

Hydrotaea militaris
3 photos

Hydrotaea meteorica
3 photos

Hydrotaea meridionalis
3 photos

Hydrotaea irritans
15 photos


Hydrotaea ignava
5 photos

Hydrotaea glabricula
3 photos

Hydrotaea floccosa
3 photos

Hydrotaea diabolus
24 photos

Hydrotaea dentipes
7 photos


Hydrotaea cyrtoneurina
23 photos

Hydrotaea cinerea
3 photos

Hydrotaea capensis
3 photos

Hydrotaea borussica
3 photos

Hydrotaea basdeni
3 photos


Hydrotaea armipes
3 photos

Hydrotaea albipuncta
3 photos

Hydrotaea aenescens
18 photos

Myathropa dark form
3 photos
Possibly a separate species. Flies alongside normal-looking florea.

Schizotus pectinicornis (Scarce Cardinal Beetle)
7 photos
A relatively small pyrochroid (7-9 mm long) usually with a black patch on the pronotal disc. Males have highly pectinate antennae (far more so than a Pyrochroa species) but this is less extreme in...


Liorhyssus hyalinus
4 photos
A 6.5-7.5 mm long rhopalid resembling a Rhopalum or Stictopleuron species but with the clear tip of the wings projecting far beyond the tip of the abdomen. The colour of the head, thorax and wing's...

Reduvius personatus (Masked Hunter)
3 photos
Britain's largest assassin bug (body length typically 16-18 mm). It is a dark, rather flattened bug covered with stuff upright hairs that pick up dust. Nymphs exude a sticky substance that can pick...

Eumerus amoenus (Allium Roundface)
18 photos
Added to the British list by Bentley & Van de Meutter (2024, Dipterists Digest 31: 81-84) on the basis of a male captured at Great Dixter, Sussex on 16 July 2021. Males can be distinguished from...

Cylindromyia bicolor (Red-tipped Tube-tail)
26 photos
A very large Cylindromyia, the largest individuals with a body length of 15 mm or more. Readily distinguished from other Cylindromyia species by the deep red abdomen that lacks a black tip. A...

Suillia pallida
13 photos


Geotrupes stercorarius (Common Dor Beetle)
5 photos
A largish dor beetle with seven striae on the elytra between the suture and the shoulder bulge. Punctures are confined to the sides of the pronotum. Very similar to G. spiniger but with a more even...

Andrena afzeliella (Kirby's Mining Bee)
11 photos
A species closely resembling Andrena ovatula but the terminal fringe of the female abdomen and basitibial plate of the hind tibiae are light, from greyish to yellowish-white or orange, never dark...

Aphria longirostris (Long-tongued Aphria)
22 photos
A medium-small (body length 6.5-8.5 mm), slim, bare-eyed tachinid with red side patches on the abdomen, that resembles the common Eriothrix rufomaculata or Bithia spreta but can be distinguished by...

Hebia flavipes
21 photos
(Orange-legged Hebia) A small (body length 4.7-6.7 mm), pale grey-dusted, bare-eyed, slim tachinid with orange legs and female antennae, and reddish frontal vitta. The third antennal segments are...

Myxexoristops blondeli
4 photos
Closely resembling M. stolida but with the pair of outer vittae of the thorax somewhat longer, the male scutellum without a reddish tip, and the tip of the male cercus rounded rather than...


Bithia modesta (Orange-palped Bithia)
19 photos
Resembling the common B. spreta but averaging larger (to 11 mm) and more robust (akin to a medium-sized Sarcophaga species), with no dorsal bristles on wing vein R1, bristles on R4+5 confined to the...

Erynnia ocypterata (False Plume Moth Parasite Fly)
37 photos
A small (body length 4-4.5 mm), shiny-black, bare eyed tachinid that closely resembles Ligeria angusticornis but varies in lots of details including the dorsal excavation of tergite 1+2 extending to...

Demoticus plebejus (Downland Demoticus)
37 photos
A medium-small (body length 7-10 mm), slim, strongly dusted tachinid resembling a Bithia species but with partially orange tibiae. The antennae are typically dark in males but the first two segments...

Mintho rufiventris (Compressed Parasite Fly)
49 photos
A medium-small (body length 7-9 mm), slim, long-legged, bare-eyed tachinid with a laterally compressed abdomen (higher than broad) bearing lateral red patches, and a grey-dusted thoracic dorsum with...

Peribaea setinervis (Fork-horned Parasite Fly)
19 photos
A tiny (body length 3.5-4.5 mm), bare-eyed tachinid closely allied to Actia but lacking any dorsal bristles on wing vein R1 dorsally, and with males that are instantly recognisable by the deeply...


Goniocera versicolor (Lackey parasite Fly)
27 photos
A small (body length 4.5-6 mm), heavily dusted Siphona-like tachinid but with short mouthparts and discals on tergites 3 and 4. The facial ridges are bare except just above the vibrissae and the...

Entomophaga sufferta
4 photos
Resembling E. nigrohalterata but with a shorter third antennal segment and differences in the terminalia of both sexes (see www.researchgate.net/publication/232665026_Review_of_Gene...). E. suffurta...

Entomophaga nigrohalterata (Ypsolopha Parasite...
20 photos
A small (body length 3-4.5 mm), bare-eyed, grey-dusted, reddish-legged, Siphona-like tachinid with a ‘zig-zag’ arista very reminiscent of the unrelated tachinid Triarthria setipennis (which has...

Entomophaga exoleta
4 photos
Differs from E. nigrohalterata in being larger (body length 6 mm) and in many other details. The parafacialia are about three times as wide as an arista with 10-15 hairs on the upper part. The...

Actia resinellae (Pine Actia)
24 photos
Resembling A. crassicornis and A. pilipennis (and with dorsal setae along much of R4+5 and Cu) but with the dorsal setae of vein R1 densely packed in the final third of the vein, leaving the basal...


Actia maksymovi (Maksymov’s Actia)
4 photos
Closely resembling A. resinellae is having the dorsal setae of vein R1 confined to the apical third (combined with setae on vein Cu) but differs in having dark palps, much darker antennae (with at...

Actia lamia (Short-veined Actia)
38 photos
Readily distinguished from all other Actia species (and all British tachinids except Phytomyptera nigrina and most Ocytata pallipes) by the truncated vein M, which stops at roughly the point where it...

Ceromya silacea (Orange Ceromya)
4 photos
An unmistakable, orange-bodied tachinid that looks like a small, Siphona-shaped Phaonia pallida (Muscidae). The body length is 5 mm. There are some good images on the internet. C. silacea is only...

Actia crassicornis
4 photos

Ceromya silacea
4 photos


Ceromya monstrosicornis (Bristly-cheeked Ceromya)
4 photos
A small (size?) tachinid, the only siphonine with entirely setulose parafacialia. The body is greyish with three broad brownish vittae on the thorax and brown hind margins to the tergites. The tip of...

Ceromya flaviseta (Yellow-edged Ceromya)
4 photos
A small siphonine that runs to Aphantorhaphospsis verralli in the key to Actia and related genera in Belshaw (1993). However, tergite 1+2-4 have a narrow yellow hind margin, vein R1 has hairs on the...

Ceromya bicolor (Orange-bellied Ceromya)
48 photos
A small (body length 4.5-6.5 mm) tachinid that resembles a Siphona species but with an orange abdomen, grey thorax and short mouthparts. The facial ridges are bare except just above the vibrissae....

Triarthria setipennis (Wobbly-horned Parasite Fly)
40 photos
A small (body length 4.5-6 mm), bare-eyed, dark legged, grey dusted tachinid with very distinctive antennal aristae. The facial ridges are bare except immediately above the vibrissae. The...

Winthemia variegata (Dark-tailed Winthemia)
10 photos
Resembling W. quadripustulata but the apex of the abdomen lacks red markings, the occiput has an irregular row of black bristles behind the occipital row, the tergite hairs are longer, more upright...


Winthemia cruentata (Privet Hawk Winthemia)
4 photos
Resembling W. quadripustulata but the dark vittae at the front of the thorax are narrower – those of the male not more than one-quarter the width of the intervening space, those of the female not...

Winthemia quadripustulata (Red-tailed Winthemia)
43 photos
A medium-sized (body length 6.5-10 mm), broadly-built, hairy-eyed, grey-dusted tachinid with a red apex to the abdomen, hairy parafacialia and only white hairs behind the postocular row. The antennae...

Smidtia conspersa (Long-haired Smidtia)
68 photos
A medium-sized (6-9 mm), rather hairy as well as bristly, grey dusted tachinid with densely hairy eyes, and hairy parafacialia. The third antennal segment (which is about 2.5 times as long as wide)...

Thelymorpha marmorata (Marmorated (Parasite Fly)
33 photos
A medium-small (body length 6-8.5 mm), bare-eyed, strongly grey-patterned, very broad headed tachinid with a row of strong bristles over the greater part of the facial ridges and a very broad frons...

Smidtia amoena (Fringe-shinned Smidtia)
38 photos
A medium-sized (9-11 mm), rather hairy as well as bristly, grey dusted tachinid with densely hairy eyes, rather narrow, hairy parafacialia and an anterodorsal fringe of bristles on the hind tibiae....


Vibrissina debilitata (Bristle-bellied Parasite...
37 photos
A small (body length 4.5-7 mm), bare-eyed, grey-dusted tachinid, the females with a characteristic saw-like row of bristles arising from the sternites on the underside of the abdomen (as also seen in...

Exorista grandis (Hairy-eyed Exorista)
43 photos
A large Exorista (body length 9-14 mm) with four pairs of postsutural dorsocentrals and a largely reddish scutellum (as in E. fasciata and E. larvarum) but with densely hairy eyes (the only British...

Botria subalpina (Northern Botria)
46 photos
A medium-sized (body length 6-8 mm), robustly built, heavily dusted tachinid with hairy eyes. The parafacialia are bare except at the top and about as wide as a third antennal segment. The facial...

Phorocera obscura (Dark-saddled Phorocera)
46 photos
Resembling a small version of P. assimilis (body length 4-11 mm) but with the dorsal excavation of tergite 1+2 finishing well short of the hind margin, and the scutellum is more often entirely dark....

Bessa selecta (Sawfly Bessa)
42 photos
A small (body length 3.5-6.5 mm), dumpy, bare-eyed, nondescript tachinid with grey markings on a dark body (much as in assorted other tachinid genera). However, the combination of bristles along the...


Bessa parallela (Micro Bessa)
5 photos
Virtually identical to B. selecta but tergite 3 without, and tergite 4 almost always without, discal bristles. Seemingly much rarer than B. selecta with record in southern England and the Midlands....

Prooppia stulta
4 photos

Xylotachina diluta (Goat Moth Parasite Fly)
30 photos
A medium-sized body length 6-9 mm), bare eyed, dark-legged tachinid with a rather strong pattern of grey dusting on a dark body. The facial ridges have setae confined to the lower third. The...

Tlephusa cincinna (Four-bristled Pseudophryxe)
31 photos
A medium-sized (body length 6.5-9 mm), hairy-eyed, thinly dusted tachinid that resembles a rather flat and shiny Phryxe but differs in assorted details. The facial ridges have setae confined to the...

Senometopia intermedia
5 photos
Resembling S. pollinosa but averaging smaller (body length 5-6 mm) with more extensive lateral black vittae on the thorax, these extending backwards level to the most posterior dorsocentral. The...


Senometopia excisa
4 photos
Resembling S. pollinosa and S. intermedia but without discals on tergite 4, just a covering of uniformly short hairs here. Like S, intermedia, the front tibiae only have a single strong posterior...

Pseudoperichaeta nigrolineata
42 photos
A medium-small (body length 5-7 mm), hairy-eyed, stockily built, black-legged tachinid with grey dusting. Not easily distinguished in the field from various other similar-sized eryciine and goniine...

Phryxe vulgaris (Common Phryxe)
54 photos
(Common Phryxe) A medium-sized (body length 6-9 mm), hairy-eyed, grey-dusted tachinid with dark legs and a red-tipped scutellum. The facial ridges have setae acending about halfway up so that that...

Phryxe magnicornis (Small Phryxe)
53 photos
Closely resembling P. vulgaris, with the same narrow gap between the descending frontals and the ascending setae of the facial ridges but averaging smaller than the other British species (body length...

Phryxe heraclei (Broad-banded Phryxe)
80 photos
Closely resembling P. vulgaris, with the same narrow gap between the descending frontals and the ascending setae of the facial ridges. Best identified using male genitalia. The surstyli viewed from...


Phryxe erythrostoma (Long-clawed Phryxe)
20 photos
A large Phryxe (body length 8-11 mm) with longer tarsal claws than the other British species (claws longer than the last tarsal segment). The male genitalia broadly resemble those of P. vulgaris and...

Phebellia villica (Bristly-ridged Phebellia)
16 photos
One of two British Phebellia species with the facial ridges supposedly bearing setae on the lower third or more (not very obvious in the specimen shown here). It can be distinguished from the other...

Phebellia vicina (Strath Glas Phebellia)
4 photos
One of two British Phebellia species with the facial ridges bearing setae on the lower third or more. It can be distinguished from the other (P. villana) using the following features. The 3 strong...

Phebellia glirina (Short-winged Phebellia)
59 photos
Resembling P. glauca but the wings are shorter and blunter, with the gap between the ends of veins R2+3 and R4+5 on the costa shorter than the distance between the tip of R4+5 and the wing tip. The...

Phebellia glauca (Long-winged Phebellia)
99 photos
(Long-winged Phebellia) A medium-sized (body length 8-10 mm), hairy-eyed, dark-legged tachinid, usually with the apex of the scutellum reddish, and resembling a rather large, long-winged, elongate...


Phebellia nigripalpis (Black-palped Phebellia)
4 photos
The only British Phebellia with entirely black palps. The scutellar apicals are oriented upwards at an angle of more than 45 degrees. The presutural intra-alars of males are missing or weak....

Lydella stabulans (Long-clawed Lydella)
54 photos
Similar in shape and size to L. grisescens but the dusting of tergites 3-5 is confined to the basal third creating a much darker appearance, and there is a broader interruption of dusting in the...

Lydella grisescens (Short-clawed Lydella)
51 photos
A medium-sized (body length 5.5-10 mm), bare-eyed, extensively grey dusted and rather robust tachinid. The facial ridges have setae confined to the bottom half. The parafacialia are bare below the...

Huebneria affinis (Tiger Moth Parasite Fly)
31 photos
A medium-sized (body length 5-9 mm), hairy-eyed, robustly built, black-legged eryciine tachinid with a partially reddish scutellum. Not easily distinguishable from other eryciines e.g. Phryxe and...

Carcelia tibialis (Small Carcelia)
50 photos
The smallest British Carcelia (body length rarely beyond 7.5 mm) with a less robust build and lighter body dusting than other species resulting in a darker, shinier appearance. The dark basicostae...


Carcelia rasa (Dense-haired Carcelia)
28 photos
One of two Carcelia species with the combination of yellow basicostae, a single anterodorsal on the mid tibiae, dark humeri and no discals on tergites 3 and 4. Separable form the other (C. puberula)...

Carcelia laxifrons (Browntail Carcelia)
57 photos
Together with C. lucorum, this is the only British Carcelia with the combination of well-formed discals on tergites 3 and 4, two or more strong anterodorsals on the mid tibiae and brown basicostae....

Carcelia iliaca (Processionary Moth Carcelia)
48 photos
The dark basicosta and lack of marginals on tergites 3 and 4 bring this species out with C. atricosta and C. gnava but it has a unique head shape that sets it apart from all the other Carcelia...

Carcelia gnava (Thick-styled Carcelia)
30 photos
One of three Carcelia species with the combination of dark basicostae and no discals on tergites 3 and 4. Separable from C. atricosta by having two or more anteroventral bristles on the mid tibiae...

Carcelia bombylans (Yellow-shouldered Carcelia)
26 photos
The only British Carcelia with the combination of yellow basicostae and yellow humeri. The size and build (including male and female frons widths) are similar to C. lucorum but the tibiae are...


Carcelia atricosta (Dark-based Carcelia)
51 photos
One of three Carcelia species with the combination of dark basicostae and no discals on tergites 3 and 4. Separable C. gnava by having only a single anteroventral bristle on the mid tibiae and more...

Cadurciella tritaeniata (Green Hairstreak...
29 photos
A small (body length 5-6.6 mm), hairy eyed, robustly built, heavily dusted tachinid with males that are much more lightly dusted than females. The facial ridges are bare except just above the...

Bactromyia aurulenta
25 photos
A medium-small (body length 3.5-6.5), bare-eyed, black-legged, grey-dusted eryciine that is not easily distinguished in the field. The facial ridges have setae confined to the lower quarter. The...

Aplomya confinis (Lycaenid Parasite Fly)
54 photos
A medium-small (body length 5.5-8 mm), robustly built eryciine with dark legs and densely hairy eyes that resembles a Phryxe or Zenillia but with only one strong anterodorsal on the mid tibiae...

Zaira cinerea (Grey Zaira)
45 photos
A small to medium-sized (body length 5.5-8.5 mm), heavily grey dusted, bare-eyed tachinid with four dark vittae on the thorax but only a poorly formed median vitta and weak shifting markings on the...


Policheta unicolor (Leaf Beetle Parasite Fly)
43 photos
A medium-sized (body length 6-8.5 mm), hairy-eyed, dumpy blackish tachinid with strong setae along almost the entire length of the facial ridges, a projecting mouth edge and a rather strongly...

Paracraspedothrix montivago (Montivago’s...
42 photos
A very small (body length 2.5-3 mm), lightly dusted, dark-legged tachinid that is not easily identified in the field. The facial ridges have 1-4 setae confined to the lower quarter. The parafacialia...

Meigenia majuscula (Hairy-eyed Meigenia)
26 photos
A medium-sized to large Meigenia (body length 6-10 mm) resembling the large forms of M. mutabilis and M. dorsalis but with obviously long-haired eyes. The male cerci viewed dorsally have strongly...

Meigenia dorsalis (Bristly-claspered Meigenia)
32 photos
Extremely similar to M. mutabilis, with a body length of 6-8.5 mm. Smaller individuals are darker than larger ones in much the same way as mutabilis. It appears to be only distinguishable from...

Medina separata (Cryptic Medina)
44 photos
Very similar to M. luctuosa and only separable using the male and female terminalia. In males, the tufts of long hairs arising from the two arms of sternite 5 are pointed rather than dome-shaped in...


Medina luctuosa (Dark-clubbed Medina)
46 photos
Very similar to M. collaris but with dark halteres and less extensive grey dusting on the thorax and abdomen, Separation from M. separata requires examination of the male and female terminalia. In...

Medina collaris (Yellow-clubbed Medina)
92 photos
A small to medium-sized (body length 5-10 mm), dark, bare-eyed tachinid with discrete grey marks on the thorax and abdomen and yellow halteres. The facial ridges have bristles on the lower half to...

Ligeria angusticornis (Plume Moth Parasite Fly)
38 photos
A small (body length 4-5.5 mm), shiny-black, bare eyed tachinid with a row of strong bristles on the facial ridges and particularly long antennae. The antennae are entirely dark and occupy the full...

Leiophora innoxia (Tree Leaf Beetle Parasite Fly)
39 photos
A rather small (body length 5-7 m), slim, large-headed, bare-eyed and dark-looking tachinid with long antennae that occupy almost the full height of the face (reminiscent of Ligeria angusticornis)....

Hemimacquartia paradoxa
4 photos


Gastrolepta anthracina (Lagria Parasite Fly)
45 photos
A small (body length 5-8.5 mm), slim, blackish, long-legged and bare eyed tachinid with grey patches on the tergites and humeri, and conspicuous silvery-white dusting on the sides of the...

Compsilura concinnata (Fang-tailed Parasite Fly)
42 photos
A medium-sized (body length 6-9 mm), hairy-eyed, grey-dusted, sleek-looking tachinid with a row of strong bristles extending nearly to the top of the facial ridges, no ocellar bristles, and...

Blondelia nigripes (Rough-bellied Parasite Fly)
44 photos
A medium-small (body length 5.5-9 mm), bare-eyed, grey-dusted, rather nondescript tachinid with females that can be distinguished from all similar tachinids except Compsilura concinnata (which has...

Brachicheta strigata (Coltsfoot Parasite Fly)
43 photos
A medium-small (body length 4-6.5 mm), bare-eyed, black legged tachinid with a distinctive wing venation and very broad frons in both sexes. The face is retreating and the facial ridges have strong...

Belida angelicae
4 photos


Admontia seria (Narrow-cheeked Admontia)
7 photos
Admontia seria Similar in size to other Admontia species but with only a single anterodorsal on the mid tibiae. The thoracic dorsum is grey dusted with four dark vittae that separate three pale...

Admontia grandicornis
4 photos
Resembling A. maculisquama but the scutellum has a small pair of apicals in addition to the three pairs of strong marginals (apicals missing in maculisquama), the posterodorsal apical bristle of the...

Admontia blanda
31 photos
Similar in size to A. maculisquama (body length 4-7 mm) but the mid tibiae have only one anterodorsal (as in A seria) and the body markings very distinctive. The frons in both sexes is just over...

Rondania fasciata (Orange-banded Parasite Fly)
14 photos
A very distinctive little tachinid (body length 2.6-3.7 mm) with bare eyes, a densely grey-dusted thorax and a black and orange banded abdomen. The face is unusually short for a tachinid with the...

Exorista tubulosa (Downland Exorista)
24 photos
A relatively small Exorista (body length 6-9.5 mm) with the combination of three pairs of postsutural dorsocentrals and usually no discals on tergite 3. The scutellum is entirely black, and the eyes...


Exorista mimula (Lobed Exorista)
43 photos
A medium-sized Exorista (4.5-9 mm) that closely resembles the common E. rustica. Males are readily separable from those of rustica (and tuberosa) by the pair of large lobes on the inner margins of...

Exorista glossatorum (short-horned Exorista)
4 photos
The only British Exorista with the combination of four pairs of postsutural dorscocentrals and an entirely dark scutellum. The parafacialia are unusually narrow, less than the width of a third...

Exorista fasciata (Sandhill Exorista)
66 photos
One of two large Exorista species (body length 5-13 mm) with the combination of four postsutural dorsocentrals, a largely reddish scutellum and bare eyes. Separable from the other (T. larvarum) using...

Redtenbacheria insignis (Redtenbach's Parasite...
34 photos
A medium-sized (body length 8-9 mm), dark-grey, orange-legged (except dark tarsi), bare-eyed tachinid with broad, silvery jowls. The basal antennal segments and palps are orange. The third antennal...

Hyalurgus lucidus
28 photos
A small (body length 6-8 mm), hairy-eyed tachinid with a grey-dusted head and thoracic dorsum but orange legs, palps, scutellum and abdomen. The male antennae are mostly dark with the third segment...


Germaria ruficeps (Large Germaria)
16 photos
A medium-large (body length 10.5-12. 5 mm), robustly-built, lightly grey dusted tachinid with bare eyes, a very broad face and frons, the antennal aristae geniculate, and wing vein R1 with dorsal...

Germaria angustata (Dune Germaria)
34 photos
A medium-sized (body length 7-9.5 mm), sooty-grey tachinid with bare eyes, a very broad face and frons, the antennal aristae geniculate, and wing vein R1 with dorsal bristles for most of its length....

Opesia grandis (Large Opesia)
5 photos
Resembling an oversized O. cana (body length typically 10 mm) but the thorax has four dark vittae, with the median pair well separated and no stripe between. The calypters are yellow and the...

Opesia cana (Small Opesia)
39 photos
A medium-small (body length 7-8 mm), bare-eyed, densely grey-dusted, rather flattened phasiine tachinid with noticeably large eyes that are almost touching on top in both sexes. The antennae are...

Nemoraea pellucida (Dimorphic Parasite Fly)
35 photos
A large (body length 11-15 mm), robustly built, long-winged, hairy-eyed tachinid with radically different looking sexes that share the unique character of a hairy upper surface to the calypters....


Dionaea aurifrons (Spurge Bug Parasite Fly)
35 photos
A small (body length 6.5-7.5 mm), dark-looking tachinid with bare eyes, and golden dusted parafacialia and parafrontalia. The antennae are short and dark with a barely pubescent arista and are placed...

Chetogena acuminata (Banded Chetogena)
4 photos
A small (body length 3.7-6 mm), heavily grey-dusted exoristine with bristles on the lower two-thirds of the facial ridges, broad, shiny black hind margins of tergites 2-5 and a black tergite 1+2. The...

Chetogena janitrix (Pine Sawfly Parasite Fly)
32 photos
A medium-sized (body length 8-9.5 mm), hairy-eyed, grey-dusted exoristine with bristles on the lower two-thirds of the facial ridges and no differentiated bristles on the dorsal surface of the...

Spilogona veterrima
3 photos

Spilogona trigonata
3 photos


Spilogona trianguligera
3 photos

Spilogona triangulifera
9 photos

Spilogona surda
3 photos

Spilogona solitariana
21 photos

Spilogona setigera
3 photos


Spilogona septemnotata
3 photos

Spilogona scutulata
3 photos

Spilogona pacifica
3 photos

Spilogona meadei
6 photos

Spilogona marina
13 photos


Spilogona griseola
3 photos

Spilogona litorea
3 photos

Spilogona falleni
3 photos

Spilogona depressiuscula
3 photos

Spilogona denigrata (Dark-winged Spilogona)
23 photos


Spilogona contractifrons
3 photos

Spilogona brunneisquama
12 photos

Spilogona biseriata
3 photos

Spilogona baltica
3 photos

Spilogona alpica
3 photos


Spilogona aerea
3 photos

Limnophora uniseta
3 photos

Limnophora triangula
11 photos

Limnophora tigrina
29 photos

Limnophora scrupulosa
3 photos


Limnophora riparia
33 photos

Limnophora olympiae
3 photos

Limnophora nigripes
3 photos

Limnophora maculosa
17 photos

Limnophora exuta
3 photos


Lispe uliginosa
3 photos

Lispe tentaculata (Common Lispe)
32 photos

Lispe pygmaea (Plain Lispe)
11 photos

Lispe nana (Little Lispe)
3 photos

Lispe melaleuca
3 photos


Lispe longicollis
3 photos

Lispe loewi (Loew's Lispe)
47 photos

Lispe litorea
7 photos

Lispe consanguinea
3 photos

Lispe caesia
3 photos


Neolimnophora maritima
16 photos

Neolimnophora virgo
3 photos

Lispocephala verna
3 photos

Lispocephala ungulata
3 photos
Added to the British list by Bentley & Falk (2023, DD: 30: 147-151) www.researchgate.net/publication/374925661_Lispocephala_u...

Lispocephala spuria
3 photos


Lispocephala rubricornis
3 photos

Lispocephala pallipalpis
3 photos

Lispocephala fuscitibia
3 photos

Lispocephala falculata
3 photos

Lispocephala erythrocera
4 photos
Study of phenology in Berkshire published by Brelstaff (2023, DD: 30: 212-207.


Lispocephala brachialis
3 photos

Lispocephala alma
4 photos

Pseudocoenosia solitariana
3 photos

Schoenomyza litorella
9 photos

Villeneuvia aestuum
24 photos


Orchisia costata
3 photos

Macrorchis meditata
38 photos

Spanochaeta dorsalis
38 photos

Limnospila albifrons
31 photos

Pseudocoenosia abnormis
3 photos


Coenosia acuminata (Acuminate Coenosia)
23 photos
A male Coenosia captured by Nigel Jones on Cairn Gorm on 5 June 2022 keyed out as C. pulicaria in Fonseca's 1968 RES key but was clearly the non-British sister species, C. acuminata, when S. Falk...

Coenosia vibrissata
3 photos

Coenosia verralli (Verrall's Coenosia)
3 photos

Coenosia trilineella
3 photos

Coenosia tigrina (Tiger Coenosia)
47 photos


Coenosia testacea 'alleni'
3 photos

Coenosia testacea (Reddish-browed Coenosia)
3 photos

Coenosia stigmatica
3 photos

Coenosia rufipalpis
3 photos

Coenosia ruficornis
3 photos


Coenosia pygmaea
3 photos

Coenosia punctigera
3 photos

Coenosia pumila
4 photos

Coenosia pulicaria
3 photos

Coenosia pudorosa
3 photos


Coenosia perpusilla (Hairy-thighed Coenosia)
18 photos

Coenosia pedella (Cuneate-winged Coenosia)
28 photos

Coenosia paludis
3 photos

Coenosia mollicula (Yellow-bellied Coenosia)
4 photos

Coenosia minutalis
3 photos


Coenosia means
3 photos

Coenosia lacteipennis
3 photos

Coenosia karli
9 photos

Coenosia intermedia
3 photos

Coenosia infantula
3 photos


Coenosia humilis
3 photos

Coenosia flavimana
3 photos

Coenosia femoralis
3 photos

Coenosia dubiosa
3 photos

Coenosia distinguens
3 photos


Coenosia campestris
3 photos

Coenosia brevisquama
3 photos

Coenosia bilineella (Bilineate Coenosia)
3 photos

Coenosia antennata
3 photos

Coenosia atra (Shiny-black Coenosia)
5 photos


Coenosia antennata
3 photos

Coenosia albicornis
3 photos

Coenosia agromyzina
11 photos

Dasysyrphus pauxillus (Early Fleckwing)
3 photos
Resembling a small D. pinastri (with the yellow lunules of tergites 2 and 3 not reaching the side margins) but with the third antennal segments orange below and the scutellum entirely or...

Dasysyrphus hilaris (Plain-faced Fleckwing)
9 photos
Extremely similar to D. venustus but with a yellow face that lacks any substantial darkenng (the fiacail knob can be a little infuscated). There is still a question mark over its validity as a good...


Bombus lucorum agg. (undifferentiated white tails)
4 photos
Some nice or otherwise useful images of white tails that I cannot push to species.

Pales processioneae (Processionary Moth Pales)
42 photos
Very similar to P. pales but males have the cerci wider in dorsal view and quite straight in lateral view (sinuous in lateral view in P. pavida, see: www.facebook.com/profile.php?id=100064520626926)....

Thelyconychia solivaga
4 photos
A small (body length 4-5 mm), virtually bare-eyed, dark-legged, grey dusted tachinid somewhat resembling a Meigenia but has four (not three) pairs of postsutural dorsocentral bristles and a bare...

Eumea mitis (Scarce Eumea)
4 photos
Very similar to E. linearicornis. Males can be separated by checking the head in side view. The facial ridges are straight, not convex as in linearicornis, and the face is about as long as the frons...

Myxexoristops stolida
41 photos
A medium-small (body length 6.5-8.5 mm), hairy-eyed, heavily dusted tachinid that resembles a slim Phryxe but with a dark abdomen, just a single strong anterodorsal on the mid tibiae and downcurved...


Drino lota (Elephant Hawkmoth Parasite Fly)
33 photos
A medium-large (body length 8-10 mm), robustly built, hairy eyed, heavily dusted tachinid with no strong ocellar bristles between the ocelli, and no distinct discals on tergites 3 and 4. The palps...

Nilea hortulana (Acronicta Parasite Fly)
43 photos
A medium-sized (body length 8-10.5 mm), robustly built, hairy-eyed, black-legged, rather thinly dusted tachinid with blue-black reflections. The palps are pale brown apically and the antennae dark....

Cyzenis albicans (Winter Moth Parasite Fly)
37 photos
A small (body length 4-6 mm), hairy-eyed, black-legged, heavily dusted tachinid (males browner, female greyer) with the jowls nearly half the height of an eye. The palps are reddish and the antennae...

Allophorocera ferruginea (Ferruginous Parasite...
36 photos
A medium-sized (body length 6.5-8.5 mm), bare-eyed, very densely golden-grey or cinerous-grey tachinid with brownish tibiae on otherwise dark legs and yellowish wing bases. The antennae can be...

Phryno vetula (Orange-legged Parasite Fly)
40 photos
A medium-sized (body length 5.5-10 mm), hairy-eyes, orange-legged, densely buff dusted tachinid with an orange scutellum and reddish interfrontalia. The palps and first two antennal segments are...


Blepharipa pratensis (Bristly-backed Fringe-shin)
7 photos
Very similar to B. schineri but with a row of marginals on tergite 3 and often T1+2. The basal antennal segments are darker, and males seem to lack the conspicuous brown sides to the abdomen seen in...

Thecocarcelia acutangulata (Essex Skipper...
39 photos
A medium-large (body length 8-9 mm) bare-eyed, dark-legged, grey-dusted tachinid that is not easily distinguished in the field. It also has the following characteristics: large eyes with very narrow...

Townsendiellomyia nidicola (Brown-tail Moth...
30 photos
A medium-sized (body length 8-10 mm), bare-eyed, black-legged, grey-dusted tachinid that is not easily distinguished in the field. It also has the following characteristics: large eyes with very...

Micronychia ruficauda (Red-tailed Lypha)
31 photos
Resembling the common Lypha dubia but averaging slightly larger (5.5-8 mm) with an orange tip the scutellum, and the male genital capsule and hind margin of the female fifth tergite reddish. L....

Blepharomyia pagana
55 photos
A medium-small (body length 5-6.5 mm), hairy-eyed, black-legged, grey dusted tachinid with a row of strong bristles down the parafacialia. Tergite 1+2 lacks a complete row of long marginal bristles...


Blepharomyia piliceps
22 photos
Similar to B. pagana but the male frons is just under one-third the head width and the female frons just over one-third, tergite 1+2 has long marginals across most of the hind margin, and the male...

Periscepsia carbonaria (Dune Periscepsia)
43 photos
A small (body length 3.5-5.5 mm), mostly shiny-black tachinid with bare eyes, a row of strong bristles along the parafacialia, black legs and orange palps. The wings are strongly infuscated, with a...

Dufouria nigrita (Small Dufouria)
33 photos
A small (body length 4.5-5 mm), shiny-black, hairy-eyed tachinid that resembles a small version of D. chalybeata. It differs in having only two strong anterodorsals on the mid tibiae, no vittae at...

Phyllomya volvulus (Fusiform Parasite Fly)
42 photos
A medium-sized (body length 6.5-9.5 mm) slender, long-legged, dark-bodied tachinid with bare eyes, relatively long third antennal segments with a short-plumose arista, and short hairs over most of...

Microsoma exiguum (Weevil Parasite Fly)
24 photos
A small (body length 2.5-4.5 mm), dark, bare-eyed tachinid with a silver-white dusted lower head, sides and front of the thorax (but with four dark presutural stripes at the front), prescutellar area...


Campylochaeta praecox (Red-shinned Campylocheta)
20 photos
A small (body length 5.5-7 mm), grey-dusted, hairy-eyed tachinid that closely resembles C. inepta but has some bristly hairs on the upper part of the parafacialia (which becomes darker from some...

Campylocheta inepta (Dark-shinned Campylocheta)
41 photos
A small (body length 4.5-6 mm), heavily-dusted, hairy-eyed tachinid with a strongly receding lower face and a line of bristles extending almost to the top of the facial ridges. The palps are orange...

Periscepsia prunaria (Shiny Bristlecheek)
21 photos
A small (body length 4-5 mm), entirely shiny-black tachinid with bare eyes, a row of strong bristles along the parafacialia, black legs and orange palps. The rather short and narrow wings are...

Periscepsia latifrons (Yellow-based Bristlecheek)
40 photos
A medium-small (body length) 5.5-7 mm), bare-eyed, black-legged, lightly-dusted tachinid with a row of strong bristles along the parafacialia. Vein M very is acutely curved at the bend with a short...

Wagneria costata (Orange-palped Wagneria)
3 photos
A medium-small (body length 7 mm), shiny black, bare-eyed, black-legged tachinid with wings distinctly darkened at the front and along the cross-veins. The wings have a petiole that is slightly...


Wagneria gagatea (Dark-palped Wagneria)
36 photos
A medium-small (body length 6-7 mm), shining black, bare-eyed, black-legged tachinid with a row of strong bristles along the parafacialia. The palps and antennae are dark. The parafacialia have hairs...

Cyrtophloeba ruricola (Hairy-eyed Voria)
38 photos
A medium-small (body length 6.5-8.5 mm) tachinid that closely resembles the common Voria ruralis and also Athrycia species but has hairy eyes. The parafacialia have 4-5 strong downcurved bristles...

Athrycia trepida f. pale palps (Perplexing Voria)
38 photos
Closely resembling the typical form of A. trepida but with orange palps (tips sometimes darkened), redder third antennal segments and different male surstyli (narrower basally with tip rounded not...

Athrycia trepida f. dark palps (Dark-palped Voria)
40 photos
A medium-small (body length 6.5-8.5 mm), bare-eyed, ‘Voria-winged’ (cross-vein r-m very slanted), tachinid that closely resembles other Athrycia species but has the second antennal segment dark...

Athrycia impressa (Heather Voria)
50 photos
A medium-small (body length 6.5-8.5 mm) tachinid that closely resembles other Athrycia species but has the second antennal segment conspicuously reddish with little darkening and the final upcurved...