Wheat Shaft with Hessian Fly Larvae (IMAGE)

Purdue University

Wheat Shaft with Hessian Fly Larvae

Caption

No larger than a pencil point, this shaft of wheat grown in a Purdue greenhouse is infested with Hessian fly larvae. The darker puparium is an advanced stage, from which an adult fly will emerge.

Credit

Purdue Agricultural Communication photo/Tom Campbell

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