Hessian Fly vs Pedician Crane Fly

Side-by-side species comparison

Attribute Hessian Fly Pedician Crane Fly
Scientific Name Mayetiola destructor Pedicia rivosa
Order Diptera Diptera
Family Cecidomyiidae Pediciidae
Size 2-4 mm 18-25 mm body length
Habitat Farmland Rivers & Streams
Diet Gall Makers Herbivores
Regions Cosmopolitan - originally Eurasia, now worldwide Europe, Northern Asia
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.

Pedician Crane Fly

A large, mottled-winged crane fly whose predatory larvae hunt invertebrates in wet mud and stream margins. Adults are often found resting on vegetation near flowing water.

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Did You Know?

Unlike most crane fly larvae that eat decaying matter, its larvae are voracious predators that ambush worms and insect larvae in mud.