Hessian Fly

Hessian Fly,

Mayetiola destructor (Say) Diptera: Cecidomyiidae)

Watch a video on identifying and controlling Hessian fly courtesy of NC State.

Hessian fly eggs

Hessian fly eggs
Photo courtesy of Dominic Reisig, North Carolina State University

Hessian fly eggs
Photo courtesy of Dominic Reisig, North Carolina State University

Hessian fly larvae (maggots or green guts)

close up of Hessian fly larva
Photo courtesy of USDA ARS

Hessian fly larvae
Photo courtesy of Dominic Reisig, North Carolina State University

many Hessian fly larvae infesting wheat
Photo courtesy of Dominic Reisig, North Carolina State University

Hessian fly larvae and pupae

Hessian fly larvae and pupae
Photo courtesy of Rudy Yates, Alabama Cooperative Extension System

Hessian fly pupae (flaxseeds)

Hessian fly pupa revealed by pulling back leaf sheath
Photo courtesy of Alabama Cooperative Extension System

Hessian fly pupae
Photo courtesy of Dominic Reisig, North Carolina State University

Identifying Adult Hessian Flies on Sticky Traps (photos by Charles Ray, Auburn University

Adults have beaded antennae and hairy wings
closeup of beaded antennae
spots of red hemolymph at the end of the tarsi are characteristic
wings have simple venation and are hairy
genitalia
claws of hessian fly adults

Additional images from Hessian Fly in Washington (Pike 1981)