Parasitic wasps in goldenrod bunch gall - Platygaster - Horsham trail. Horsham, Montgomery County, Pennsylvania, USA October 20, 2009 Size: 1.5 mm.
In the lower corner you can see part of the heart of the goldenrod bunch gall. It was full of what appears to be the empty shells of the cocoons.
Images of this individual: tag all Contributed by Beatriz Moisset on 22 October, 2009 - 2:19pm Last updated 1 January, 2019 - 6:26pm |