"The Hessian Fly (Cecidiomya destructor). a, the adult; b, larva; c, pupa; d, larvae in position on stalk of wheat." -Galloway, 1915

Hessian Fly Stages

"The Hessian Fly (Cecidiomya destructor). a, the adult; b, larva; c, pupa; d, larvae in position on…