Hessian Fly vs Big-headed Fly

Side-by-side species comparison

Attribute Hessian Fly Big-headed Fly
Scientific Name Mayetiola destructor Pipunculus campestris
Order Diptera Diptera
Family Cecidomyiidae Pipunculidae
Size 2-4 mm 3-6 mm
Habitat Farmland Farmland
Diet Gall Makers Herbivores
Regions Cosmopolitan - originally Eurasia, now worldwide Europe, 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.

Big-headed Fly

A small fly with an enormously enlarged, almost entirely eye-covered spherical head. It hovers in vegetation searching for leafhopper hosts in which to parasitize.

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Did You Know?

Its enormous eyes give it near-360-degree vision, allowing it to spot leafhoppers from any angle while hovering.