Hessian Fly vs Glacier Beetle

Side-by-side species comparison

Attribute Hessian Fly Glacier Beetle
Scientific Name Mayetiola destructor Nebria castanea
Order Diptera Coleoptera
Family Cecidomyiidae Carabidae
Size 2-4 mm 9-13 mm
Habitat Farmland Farmland
Diet Gall Makers Omnivores
Regions Cosmopolitan - originally Eurasia, now worldwide Alps, Central Europe
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.

Glacier Beetle

A chestnut-brown ground beetle inhabiting the edges of glaciers and permanent snowfields. It feeds on wind-blown insects deposited on ice surfaces.

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Did You Know?

It is one of the few beetles that actively forages on glacier ice surfaces.