Hessian Fly vs Comstock's Net-Winged Midge

Side-by-side species comparison

Attribute Hessian Fly Comstock's Net-Winged Midge
Scientific Name Mayetiola destructor Agathon comstocki
Order Diptera Diptera
Family Cecidomyiidae Blephariceridae
Size 2-4 mm 5-8 mm
Habitat Farmland Ponds & Lakes
Diet Gall Makers Omnivores
Regions Cosmopolitan - originally Eurasia, now worldwide North America
Conservation Least Concern Least Concern

Hessian Fly

A tiny dark gall midge that is one of the most destructive pests of wheat and barley worldwide. Adults resemble small dark mosquitoes and live for only a few days.

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Did You Know?

Named after Hessian soldiers in the American Revolution who supposedly brought it to North America in straw bedding.

Comstock's Net-Winged Midge

A western North American net-winged midge found on waterfall-splashed rocks. Larvae have a unique caterpillar-like body with sucker discs.

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Did You Know?

Larvae inch forward using alternating suction attachment, moving like a caterpillar across wet rock faces.