Sea oats
1 photo
Alligators
1 photo, 1 video
Anhinga anhinga
1 photo
Camellia: Color breaking
2 photos
Indian hawthorn (Rhaphiolepis indica):...
6 photos
Agave: Scale
4 photos
Ficus: Cuban laurel thrips, Gynaikothrips ficorum
4 photos
Banana spider
3 photos
Sugarcane lacebug
1 photo
Epipremnum aureum: Algal leaf spot
6 photos
Yucca elephantipes: Brown leaf spot
5 photos
Spiders
2 photos
Banana: Split fingers
1 photo
Strigula elegans
9 photos
Guava: Algal leaf and fruit spot
39 photos
Pathogen: Cephaleuros parasiticus
Tropical almond: Rats feeding injury to nuts
4 photos
Insignorthezia insignis (greenhouse orthezia)
12 photos
Alocasia macrorrhiza: Mealybugs on leaf
2 photos
Tahitian gardenia: Scales
6 photos
Onion: Bacterial soft rot
4 photos
Plum: Black knot
2 photos
Hawaiian cotton: Mealybugs
22 photos
Bitter melon (Momordica charantia): Powdery mildew
4 photos
Okra: Mealybugs tended by ants
1 photo
Aquatic weeds
5 photos
Azolla pinnata (Ferny azolla, mosquito fern)
5 photos
Spinach: Cercospora leaf spot
11 photos
Mustard: White rust
3 photos
Noni: Thrips feeding injury
6 photos
Coprinus lagopus
2 photos
Wedelia: Blotch miners
3 photos
Acacia koa: Lichens
2 photos
Silky oak dieback
3 photos
Oriental fruit fly (Bactrocera dorsalis)
1 photo
Pig damage to avocado
7 photos
Crucifer: Powdery mildew
15 photos
Cucumber: Anthracnose
3 photos
Panax (Polyscias guilfoylei): Powdery mildew
26 photos
Mock orange: Scales and sooty mold
3 photos
Pycnoporus
2 photos
Centipedes
4 photos, 2 videos
Variegated Flax Lily 'Vairegata' (Dainella...
6 photos
Aleurites moluccanus (kukui): Scales
2 photos, 3 videos
Papaya: Latexosis
5 photos
Coprinus cinereus
1 photo
Cassava: Persea mites feeding injury
11 photos, 1 video
Stator limbatus
3 photos
Pineapple: Translucent fruit pulp
2 photos
Red ginger: Bagworm moth feeding injury
2 photos
Banana: Fusarium wilt (Panama disease)
25 photos
banana variety Koa e Kea
Breadfruit: Potassium deficiency
1 photo
Hibiscus clayi
3 photos
Mango: Jelly seed
1 photo
Aphelenchoides
1 video
Colocasia gigantea: Alternaria leaf spot
2 photos
Kale: Bacterial soft rot
3 photos
Avocado: Phytophthora root and stem rot
2 photos
Magnolia: Algal leaf spot
4 photos
Ae Ae
1 photo
Precocious germination of seed
1 photo
Cassava: Spider mites
1 photo
Lettuce: Downy mildew
3 photos, 1 video
Avocado: Stem rot
8 photos
North Kohala, leeward side of the mountain, at 2,000’ elevation
Parasitic wasps
2 photos, 1 video
Beauveria bassiana
12 photos
Banana: Fusarium wilt (Panama disease)
37 photos
Pathogen: Fusarium oxysporum f. sp. cubense race 1
Papaya: Lasiodiplodia fruit rot
3 photos
Papaya: Pacific beetle roach feeding injury to...
3 photos
Beach naupaka (Scaevola taccada): Fasciation
10 photos
Cause: Undetermined
Tree: Heartwood infection (fungal)
1 photo
Celery: Septoria leaf spot
2 photos
Bean sprout: Rhizoctonia girdle
1 photo
Pineapple: Heart rot
2 photos
Banana: Maturity bronzing
2 photos
Trichoderma
2 photos
Coccus viridis (Green scale)
2 photos, 1 video
Edible fig: Birds feeding injury to fruit
1 photo
Banana: Mechanical bruising injury to fruit peels
1 photo
Nictation
1 video
Collembola (Springtails)
6 photos, 2 videos
Hibiscus: Root rot
3 photos
Ivy gourd (Coccinia grandis): Whiteflies
3 photos
Polyscias filicifolia: Whiteflies
7 photos
Butt rot of pineapple crowns
7 photos
Hover fly
4 photos, 4 videos
Corn: Ants tended by aphids on leaf
2 photos
Ghost ants (Tapinoma melanocephalum)
2 photos
Corn: Southern rust (Puccinia polysora)
17 photos
Ficus rubiginosa: Termite injury
8 photos
Pseuderanthemum: Aphids
2 photos
Tomato: Root knot
49 photos, 4 videos
Pineapple black rot (Pathogen: Chalara paradoxa)
14 photos
Eucalyptus: Sem galls
3 photos
Costus sp: Leaf spot
3 photos
Dark butt bruchid
2 photos
Phomopsis
3 photos
Curvularia
2 photos
The Gulf fritillary (Agraulis vanillae)
1 photo
Grapefruit: Penicillium rot
5 photos
Water lily: Leaf spot
2 photos
Dragonfruit: Mealybugs
2 photos
Acacia confusa: Basal stem rot and vascular...
19 photos
Squash: Slug feeding injury
3 photos
Citrus: The Mediterranean scale
6 photos
The Mediterranean scale, sometimes called the "black parlatoria scale," (Parlatoria ziziphi (Lucas))
HEMIPTERA: Sternorrhyncha: Diaspididae
This scale has a somewhat distinct,...
Crown gall
31 photos
Castor bean: Leaf miners
2 photos
Erythrina gall wasp
87 photos
Pruning wound decay
3 photos
Taro: Spiraling whitefly (Aleurodicus dispersus)
4 photos
Bird-of-paradise: Scales
7 photos
Peach: Brown rot caused by Monilinia fructicola
8 photos
Tuberose: Thrips feeding injury to flowers
2 photos
Tomato: Black mold
1 photo
Pathogen: Alternaria alternata f. sp. lycopersici
Mango: Fruit fly feeding injury
2 photos
Napa cabbage (Won bok cabbage): Bacterial soft rot
2 photos
Pathogen: Erwinia carotovora subsp. carotovora
Nectarine: Brown rot (Monilinia fructicola), left
5 photos
Peach: Botrytis blight of fruit
2 photos
Star jasmine mosaic
17 photos
a viral disease of Star jasmine (Jasminum multiflorum)
Ixora: Hemispherical scale (Saissetia coffeae)
3 photos
Mango: Rats feeding
5 photos
Cantaloupe: Fusarium rot
1 photo
Blackberry: Postharvest rot of fruit
1 photo
Strawberry: Postharvest rot of fruit
1 photo
Banana: Leaf rubbing injury to fruit
8 photos
Banana: Cigar-end rot
1 photo
Nototrichium sandwicense: Ants tending scale...
8 photos
Watermelon: Powdery mildew
9 photos
Hibiscus: Whiteflies
11 photos
Papaya: Pseudoparlatoria ostreata Cockerell, gray...
5 photos
This sample was a New State Record for this species in Hawaii (submitted Aug 2014)
Diptera: Nematocera: Ceratopogonidae
2 photos, 1 video
Papaya: Potassium deficiency
3 photos
Guava (Psidium guajava): Birds-feeding injury to...
4 photos
Stellate scale (Ceroplastes stellifer)
1 photo
Sowbugs
3 photos
Physarum
1 photo
Melon: Bacterial wilt (Pathogen: Erwinia...
4 photos, 1 video
Mango: Sap stain
6 photos
Breadfruit: Mucor rot
9 photos
Citrus: Scale insects
64 photos
White-footed ant (Technomyrmex albipes)
27 photos
Pseuderanthemum carruthersii var. reticulatum:...
5 photos
Pathogen: Phyllosticta sp. (fungus)
Papaya: Rats feeding injury to fruit
49 photos
Phoma
3 photos
Areca palm: Mealybugs
1 photo
Noni (Morinda citrifolia): Frog-eye leaf spot
9 photos, 1 video
Rhizopus rot of Couroupita guianensis
9 photos
Cannonnball tree
Japanese privet (Ligustrum japonica): Scale
4 photos
Stem bleeding of coconut palm
6 photos
Mountain naupaka: Alternaria leaf spot
8 photos
Macadamia (Macadamia integrifolia): Botrytis...
4 photos
Pathogen: Botrytis cinerea
Noni (Morinda citrifolia): Stem blight
23 photos
Pathogen: Sclerotium rolfsii (fungus)
Westringia: Root-knot nematodes
1 photo
Ficus carica: Gray mold (stem blight)
7 photos
Pathogen: Botrytis cinerea (fungus)
Japanese pittosporum: Ants and aphids
4 photos
Taro (Colocasia esculenta): Southern blight
1 photo
Pathogen: Sclerotium rolfsii (fungus)
Noni (Morinda citrifolia): Root knot
48 photos
Pathogens: Root-knot nematodes (Meloidogyne spp.)
Beach naupaka (Scaevola taccada): Bunchy top
7 photos
Carmona retusa (Fukien tea, Philippine tea):...
1 photo
Eggplant: Paracercospora leaf spot
4 photos
Spider lily: Mealybugs
6 photos
Banana: Alligator skin
2 photos
Calotropis gigantea (crown flower): Leafminers
7 photos
Potato (Solanum tuberosum): Silver scurf
2 photos
Agave: Mealybugs
7 photos
Hydrosis (water soaking)
19 photos
Aloe vera: Anthracnose
5 photos
Pathogen: Colletotrichum sp.
Taro: Ghost spot
17 photos
Pathogen: Cladosporium colocasiae (fungus)
Gygis alba
7 photos
white fairy tern; Manu-o-Kū
Mango: Crown gall
3 photos
Catharanthus roseus: Powdery mildew
1 photo
Banana: Corm weevil
23 photos
Banana: Glyphosate herbicide injury
11 photos
Banana: Bunchy top symptom
295 photos
Pathogen: Banana bunchy top virus (BBTV)
Banana: Morse code
29 photos
A symptom of Banana bunchy top caused by Banana bunchy top virus (BBTV)
Banana: Mottled petiole and leaf sheath
34 photos
A symptom of banana bunchy top caused by Banana bunchy top virus (BBTV)
Banana: Rat feeding injury
28 photos
Veronicella cubensis
4 photos
Taro: Bacterial soft rot
1 photo
Banana: Corm weevils
13 photos
Banana: Cucumber mosaic virus (CMV)
19 photos
Banana mealybugs
14 photos
Banana bunchy top: Mottled petioles and leaf...
67 photos
Banana: Sooty mold, sooty blotch
26 photos
Banana: Lightning strike injury
31 photos
Breadfruit: Sap stain
5 photos
Ixora: Aphids
6 photos
Tortoise
2 photos
Canna lily: Bagworm moth larvae feeding injury
16 photos
Clouds
1 photo
Cacao: Black pod rot
134 photos
Pathogen: Phytophthora palmivora
Cabbage looper
1 photo
Sporangia (Phytophthora)
2 photos
From humidity chamber, incubated for 21 hours at room temperature
Watermelon: Fruit fly injury
1 photo
Sea sponges
5 photos
Banana: Sap stain
2 photos
Cabbage: Black rot
25 photos
Pathogen: Xanthomonas campestris pv. campestris (Xcc) (bacterium)
Tomato yellow leaf curl virus
13 photos
Eggplant: Phomopsis blight
7 photos
Banana: Sooty blotch, sooty mold
11 photos
Fusarium blight of a succulent
1 photo
Mango: Bacterial black spot
51 photos
Pathogen: Xanthomonas citri pv. mangiferae
Pandanus: Whiteflies
3 photos
Irrigation problems
1 photo
Eggplant: Aphids
5 photos
Cactus: Carving injury to stems
1 photo
Pomelo: Mites feeding injury
2 photos
Jackson's chameleon (Trioceros jacksonii)
4 photos
Okra: Aphids
12 photos
Mango: Bird feeding injury
7 photos
Evolvulus glomeratus (blue daze, evolvulus):...
1 photo
Erythrina berteroana: Powdery mildew
22 photos
Dolphins
3 photos
Echeveria sp.: Powdery mildew
12 photos
Pathogen: Erysiphe sedi
Coconut: Scales
7 photos
Banana: Marasmiellus rot of pseudostem
22 photos
Resinosis
19 photos
Bronzing
3 photos
West Indian flatid planthopper (Melormenis...
10 photos
Yam: Anthracnose
2 photos
Photographs taken on the island of Yap in the Federated States of Micronesia
Cacao: Ants and mealybugs
12 photos
Banana: Whiteflies
2 photos
Travelers palm: Boron deficiency
9 photos
Gold Tree, Primavera (Roseodendron...
2 photos
Papaya: White peach scale (Pseudaulacaspis...
23 photos
Lagerstroemia indica (Crape myrtle): Powdery...
3 photos
Plumeria: Mealybugs
2 photos
Phallus rubicundus
8 photos
Pleiospilos nelii (split rock): Fusarium
5 photos
Tomato: Leafminers
2 photos
Aspergillus
1 photo
Nematodes
9 photos, 3 videos
Tomato: Fruit cracks
2 photos
Coconut: Eriophyid mites, feeding injury
13 photos
Plumeria: Fasciation
2 photos
Banana: Thrips feeding injury to fruit
30 photos
Pig damage to banana plants
21 photos
Peach: Gray mold
1 photo
Pathogen: Botrytis cinerea
Hawaiian monk seals
8 photos, 3 videos
Tahitian gardenia (Gardenia taitensis): Aphids
15 photos
Hibiscus: Aphids
63 photos, 5 videos
Dracaena marginata (Money tree): Mealybugs
3 photos
Hibiscus: Erineum mites
71 photos
Yam: Fungal rot of tubers post-harvest
1 photo
Plumeria: Whiteflies
17 photos
Lantana: Leaf miners
7 photos
Banana: Scale
10 photos
Honeydew
3 photos
Banana: Mealybugs
7 photos
Sap stain
11 photos
Plumeria: Spider mites feeding injury
10 photos
Azalea gall
1 photo
Mealybug destroyer
12 photos, 4 videos
Banana: Calcium deficiency
8 photos
Photoperiod
2 photos
Rose: Scale
1 photo
Philodendron: Hydrosis
10 photos
Prob. Bacterial leaf blight caused by Xanthomonas campestris
Pakchoi: Aphids
3 photos
Corn: Chinese rose beetle
7 photos
Rosemary: Spittlebugs
4 photos
Taro: Spider mites
25 photos, 1 video
Sweetpotato: Black rot
9 photos
Avocado: Potassium (K) deficiency
8 photos
Symptom: Marginal leaf scorch, starting on older leaves
Vitex rotundifolia: Spittle bugs
4 photos
Lantana: Leaf spot
2 photos
Pathogen: Unidentified
Oriental flower beetle
4 photos
Oriental flower beetles (Protaetia orientalis)
Snow scale on papaya
16 photos
Kalanchoe pinnata: Leaf spot
5 photos
Anthurium blight
10 photos
Humans as plant pests
4 photos
Japanese pittsporum: Scale insects
8 photos
Host: Pittosporum tobira
Hawaiian sea turtles
8 photos
Woodlice
1 photo
Leucocoprinus birnbaumii (?)
3 photos
Banana: Fused fingers
4 photos
PEPS 405
91 photos
A brief review of some symptoms and signs of possible plant health problems
Celery: Alternaria blight
1 photo
Drone photos
14 photos, 2 videos
Flea beetles
4 photos
Brown anole
2 photos
Euphorbia cyathophora: Powdery mildew
2 photos
Pacific beetle roach
32 photos, 3 videos
Pacific beetle cockroach (Diploptera punctata)
Eggplant: Spider mites injury (stippling)
8 photos
Stippling
1 photo
Banana: Cucumber mosaic
12 photos
Pathogen: Cucumber mosaic virus | Read: www.ctahr.hawaii.edu/oc/freepubs/pdf/PD-101.pdf
Gardenia volkensii
3 photos
Mizuna: White rust
2 photos
Scleorotium rolfsii on taro
2 photos
Disease name: Southern blight
Wedelia: Powdery mildew
2 photos
Kale: Black rot
3 photos
Pathogen: Xanthomonas campestris pv. campestris (bacterium)
Mock orange: Powdery mildew
13 photos
Juniper spittlebug (Clastoptera juniperina)
2 photos
Bamboo: Scale insects on stem
1 photo
Tomato: Fusarium wilt
2 photos
Spider lily: Leaf blight
32 photos
Jatropha integerrima (Peregrina): Rust
21 photos
Pathogen: Phakopsora jatrophicola | Location: Manoa, Honolulu, Hawaii
Kale: Powdery mildew
1 photo
Anguina agrostis
1 photo
A plant-parasitic nematode.
A host is annual ryegrass.
Aquaponics
1 photo
Hibiscus clayi: Powdery mildew
10 photos
Banana: Multiple bunches
1 photo
Sugarcane mosaic
8 photos
Pathogen: Possibly Sugarcane mosaic virus
Broomrape
12 photos
Orobanche sp. (possibly Orobanche cernua)
Hemispherical scales
5 photos
Coconut Rhinoceros Beetle (CRB)
33 photos
Cycad: Mealybugs
2 photos
Lily: Leaf mosaic
8 photos
Latex exudate
22 photos
Papaya: Stem-end rot
2 photos
Bougainvillea looper
4 photos
Strawberry: Prob. iron (Fe) deficiency
2 photos
Eggplant: Mealybugs
2 photos
Myrtle rust
29 photos
Hosts: Many species in the Myrtaceae | Pathogen: Puccinia psidii (fungus)
Plantago major: Cercospora leaf spot
3 photos
Pathogen: Cercospora beticola
Cabbage white: Larval feeding injury to crucifer
10 photos
Pieris rapae
Rosemary: Powdery mildew
4 photos
Platanus sp.: Stem rot
6 photos
Spatial aggregation (clusters)
2 photos
Sunflower: Blotch miners
17 photos
Paperbark: Myrtle rust
11 photos
Melaleuca quinquenervia (Paperbark)
Hale berry: Scale insects
3 photos
Host: Dianella sandwicensis
Annona muricata: Mealybugs and ants
18 photos
Meyer lemon: Scale insects
1 photo
Slug feeding on sooty mold
1 photo
Euphorbia [Chamaesyce] hypericifolia (Graceful...
13 photos
Youngia japonica: Rust
8 photos
Asiatic hawksbeard (common name of plant) | Pathogen: Prob. Puccinia sp.
Croton: Mealybugs
9 photos
Aloe vera: Leaf spots and blight
4 photos
Cause: Undetermined
Broccoli: Leaf spot
2 photos
Pathogen: Prob. Alternaria sp.
Aster: Powdery mildew
4 photos
Pandanus: Scale insects
2 photos
Sow thistle: Powdery mildew
6 photos
Russian kale: Psyllids
1 photo
Cordyline terminalis: Ringspots on leaves
15 photos
Pathogen: Ti ringspot virus
Russian kale: Aphids
2 photos
Host: Brassica oleracea Acephala Group
Broccoli: Black rot
6 photos
Pathogen: Xanthomonas campestris pv. campestris (bacterium)
Phosphorous deficiency
7 photos
Foot traffic injury to plants
3 photos
Hong kong orchid: Persea mites
26 photos
Water lettuce: leaf blight
13 photos
Water lettuce (Pistia stratiotes)
Bougainvillea: Leaf spot
22 photos
Pathogen: Passalora bougainvillea
Red gum lerp psyllids on Eucalyptus
4 photos
Red Gum Lerp Psyllid (Glycaspis brimblecombei) | Read: hdoa.hawaii.gov/pi/files/2013/01/npa01-02_rpsyllid.pdf
Naupaka: Ringspots
39 photos
Cause: Undetermined
Avocado: Mites feeding injury
2 photos
Symptom: Bronzing
Kalanchoe: Powdery mildew
2 photos
Kalanchoe: Anthracnose
12 photos
Kalanchoe prob. thyrsiflora
Catharanthus roseus (Madagascar periwinkle):...
40 photos
Pathogen: Botrytis cinerea
Powdery mildew of Oxalis corniculata
3 photos
Powdery mildew of begonia
4 photos
Pathogen: Oidium begoniae
Morel mushrooms
9 photos
Powdery mildew of ivy
4 photos
Euglandia rosea
3 photos
Euglandina rosea, the "rosy wolfsnail" or the "cannibal snail"
Onion: Thrips feeding injury
2 photos
Goji berry: Powdery mildew
15 photos
Lycium chinense (Goji Berry)
Black rot of crucifers
34 photos
Pathogen: Xanthomonas campestris pv. campestris (Xcc)
Blood lily: Ringspots and mosaic
10 photos
Pathogen: As yet undertermined
Psyllid injury to Metrosideros polymorpha
3 photos
Conocephalus saltator: The long horned grasshopper
1 photo
Pseudocercospora nandinae on heavenly bamboo...
2 photos
Leaf spot of sago palm
4 photos
Pathogen: Pestalotia sp.
Veronicella cubensis
4 photos
Botrytis blight of hibiscus flower
1 photo
Pathogen: Botrytis prob. hibiscus
Cigar end rot of banana
1 photo
Carving injury
1 photo
Taro delphacids
11 photos
Corn earworm
8 photos
Helicoverpa zea
Powdery mildew of pumpkin
12 photos
Read: www.ctahr.hawaii.edu/oc/freepubs/pdf/PD-98.pdf
Fig mosaic
25 photos
Pathogen: Fig mosaic virus
Mealybugs on cactus
1 photo
Prickly pear
Root "choking" a tree stem
1 photo
Cucurbit powdery mildew
112 photos
Kava whiteflies
1 photo
Powdery mildew of eggplant
22 photos
Read: www.ctahr.hawaii.edu/oc/freepubs/pdf/PD-98.pdf
Eriophyid mites
22 photos
Corn leahopper
21 photos
Peregrinus maidis
Scales on orange fruit
15 photos
White rust of radish
3 photos
Pathogen: Albugo candida | Read: www.ctahr.hawaii.edu/oc/freepubs/pdf/PD-94.pdf
Leafhopper burn of green ti
19 photos
Host: Cordyline fruticosa (green ti)
Sweetpotato: Thrips feeding injury
5 photos
Kava: Shot hole
25 photos
Pathogen: Phoma sp.
Tahitian taro: Mosaic
5 photos
Poss. Dasheen mosaic virus (DsMV)
Tumbleweed
3 photos
Salsola tragus
Chive rust
5 photos
Pathogen: Prob. Puccinia allii
Drought
10 photos
Mealybugs on hibiscus
62 photos, 1 video
Okra: Pseudocercospora abelmoschi (leaf spot)
1 photo
Platanus: Prob. Bark beetle injury
4 photos
Papaya scales
72 photos
Cactus bug
3 photos
Chelinidea vittiger aequoris
Peach leaf curl
2 photos
Pathogen: Taphrina deformans (fungus)
Giant whitelfy
13 photos
Aleurodicus dugesii
Pitaya (Dragon fruit): Fruit fly injury
2 photos
Black Witch Moth (Ascalapha odorata)
1 photo
Scales on orchid
4 photos
Peanut rust
12 photos
Pathogen: Prob. Puccinia arachidis
Bird's nest fungi
5 photos
Colletotrichum musae
14 photos
Photographs by www.aphotofungi.com | Colletotricum musae is the pathogen that causes anthracnose of bananas (Musa spp.). | Depilcted here are sporulating acervuli of Colletotrichum musae (plant...
Rust of nutsedge
3 photos
Fungal rot of red mombin
16 photos
Red mombin (Spondias purpurea) | Pathogen: Unidentified/undetermined
Ironwood decline in Guam
23 photos
Host: Casuarina equisetifolia (ironwood) | Pathogen: Ganoderma spp.
Frankia and nodulation
1 photo
Charcoal injury to trees
15 photos
Lobate lac scale
19 photos
Paratachardina pseudolobata
Aphid lions
3 photos
Pikake: Fasciation, Phyllody, Virescence,...
10 photos
Pikake (Jasminum sambac) | Cause: Undetermined
Fasciation
11 photos
Root knot of Acacia koa
2 photos
Pathogen: Meloidogyne sp.
Bradyrhizobium
2 photos
Nitrogen-fixing bacteria infecting roots of legumes
Virescence
71 photos
Virescence is the abnormal development of green pigmentation in plant parts that are not normally green, like shoots or flowers (in which case it is known as floral virescence).
Phyllody
72 photos
Phyllody is the abnormal development of floral parts into leafy structures.
Emilia sonchifolia: Rust
22 photos
Dollar spot
4 photos
Host: Bermuda grass | Pathogen: Prob. Sclerotinia homoeocarpa
Daylily rust
21 photos
Pathogen: Puccinia hemerocallidis
Rusts (unclassified)
1 photo
Plumeria stem borer
9 photos
Plumeria Stem Borer (Lagocheirus undatus)
Sweet basil: Pseudocercospora leaf spot
15 photos
Host: Ocimum basilicum | Pathogen: Pseudocercospora ocimi-basilici
Daisy (?): Ringspots
6 photos
Cause: Unknown
Winter melon (Benincasa hispida): Powdery mildew
5 photos
Praying mantis
4 photos
Weed-whacker (string trimmer) injury
4 photos
Symptoms: Basal stem girdling, dieback, plant mortality
Taro: Potassium deficiency
3 photos
Taro (Colocasia esculenta)
Sugarcane: Iron (Fe) deficiency
2 photos
Hydraulic fluid injury
4 photos
Cynodon dactylon (Bermuda grass)
Coconut: Whiteflies (Aleurotrachelus atratus)
5 photos
Slugs
33 photos
Asian pear pests
13 photos
Grasshoppers
2 photos
Dieback of protea
3 photos
Planthoppers
3 photos
Syngonium auritum: Bacterial leaf blight
16 photos
Pathogen: Xanthomonas sp.
Bagworm moth
23 photos
Dieback
7 photos
Gramoxone herbicide injury to banana
1 photo
Downy mildew of collards
2 photos
Pathogen: Peronospora parasitica
Tomato anthracnose
3 photos
Pathogen: Colletotrichum coccodes
White clover: Sooty blotch
1 photo
Host: Trifolium repens | Pathogen: Polythrincium trifolii
White clover: Bacterial leaf spot
2 photos
Host: Trifolium repens | Pathogen: Pseudomonas andropogonis
White clover: Stagonospora leaf spot
2 photos
Host: Trifolium repens | Pathogen: Stagonospora meliloti
Boars and wild pigs
25 photos
Macadamia quick decline
5 photos
Macadamia integrifolia
Brown patch (Prob.)
2 photos
Host: Centipedegrass (Eremochloa ophiuroides) | Pathogen: Rhizoctonia solani
Japanese pittosporum: Cercospora leaf spot
28 photos
Host: Pittosporum tobira | Pathogen: Cercospora pittospori
Poss. Medicago lupulina: Powdery mildew
14 photos
Rhizoctonia root rot
4 photos
Pandanus: Mealybugs
8 photos
Passion fruit anthracnose
1 photo
Climbing spikes injury to coconut stems
12 photos
Papaya mealybug
1 photo
Paracoccus marginatus
Downy mildew of sweet basil
31 photos, 1 video
Host: Ocimum basilicum | Pathogen: Peronospora belbahrii
Cuscuta sandwichiana
133 photos
Kauanoa, a dodder (parasitic seed plant) endemic to Hawaii
Dodders
270 photos
Dodders are plant-parasitic seed plants
Capenter bee
11 photos
Xylocopa sonorina
Grape: Gall mites
1 photo
Grape anthracnose
1 photo
Pathogen: Prob. Elsinoë ampelina
Grape powdery mildew
1 photo
Pathogen: Erysiphe necator
Bamboo spider mite
9 photos
Schizotetranychus (Stigmaeopsis) celarius
Lilac: Powdery mildew
4 photos
Host: Syringa sp. | Pathogen: Prob. Microsphaera alni
Gummy stem blight
3 photos
Pathogen: Didymella bryoniae (fungus)
Hibiscus rust
7 photos
Pathogen: Kuehneola malvicola
Mallow rust
1 photo
Host: Mlava neglecta (common mallow) | Pathogen: Puccinia malvacearum
Late blight of potato
1 photo
Pathogen: Phytophthora infestans
Phytophthora stem blight of citrus
10 photos
Coconut heart rot
6 photos
Pathogen: Phytophthora katsurae
Squash: Powdery mildew
43 photos
Chinese banyan stem gall wasp
4 photos
Greenhouse orthezia
4 photos
Insignorthezia insignis
Rust of Sudex
6 photos
Sudex = (sorghum x Sudan grass) hybrid
Dandelion: Powdery mildew
2 photos
Powdery mildew of long bean
67 photos
Read: www.ctahr.hawaii.edu/oc/freepubs/pdf/PD-98.pdf
Cercospora leaf spot of Plantago major
2 photos
Other hosts for this pathogen (Cercospora beticola) include sugar beet and chard.
Bacterial leaf spot of pepper
3 photos
Pathogen: Xanthomonas campestris pv. vesicatoria
Frog-eye leaf spot of noni
16 photos
Pathogen: Phyllosticta morindae | sexual stage: Guignardia morindae) | Host: Morinda citrifolia
Powdery mildew of poinsettia
17 photos
Spiraling whitefly
29 photos
Aleurodicus dispersus
Snails
44 photos
Algae, not plant-parasitic
10 photos
Oleander aphids
37 photos
Aphis nerii
Leaf shredding
2 photos
Wind damage
31 photos
Ripening problems
8 photos
Assassin bugs
3 photos
Banana scab moth
2 photos
Spider mites injury to tomato
7 photos
Senescent spots, banana
13 photos
Powdery mildew of sunflower
25 photos
Okra powdery mildew
30 photos
Read: www.ctahr.hawaii.edu/oc/freepubs/pdf/PD-98.pdf
Septoria leaf spot of Cornus alba
3 photos
Cornus alba 'Bailhalo' IVORY HALO
Banana ripening problems
3 photos
Tan spot of lima bean
4 photos
Pathogen: Phoma exigua var. exigua (now Boeremia exigua)
Burrowing nematode
12 photos, 1 video
Radopholus simlis
Kava dieback
33 photos
Pathogen: Cucumber mosaic virus | Read: www.ctahr.hawaii.edu/oc/freepubs/pdf/PD-18.pdf
Toppling of banana
20 photos
Passionfruit: Cucumber mosaic virus
22 photos
Passiflora edulis
Zucchini: Powdery mildew
40 photos
Zinnia: Cucumber mosaic virus
15 photos
Brown citrus aphid
5 photos
Toxoptera citricida
Tomato/tobacco hornworm
1 photo
Manduca sexta
Citrus: Spider mites
20 photos
Citrus leafminer
16 photos
Phyllocnistis citrella | Read: hdoa.hawaii.gov/pi/files/2013/01/npa00-01-climiner2.pdf
Pumpkin/squash anthracnose
12 photos
Birds as plant pests
94 photos