Found on the Monocacy....https://bugguide.net/node/view/1945307
www.forestresearch.gov.uk/tools-and-resources/fthr/pest-a...

Tags:   monocacy battlefield park buckeystown quad elm sawfly elm sawfly larva sawfly sawfly larva

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Monocacy

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Monocacy

Tags:   monocacy battlefield park Potomac Sculpin Cottus girardi

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Monocacy

Tags:   monocacy battlefield park Longnose Dace Rhinichthys cataractae

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Monocacy

Tags:   monocacy battlefield park Blacknose Dace Rhinichthys atratulus

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