Contact: Susan A. Steeves
ssteeves@purdue.edu
765-496-7481
Purdue University
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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Related news release: Scientists find genes involved in the battle between Hessian flies and wheat