Westborough Wildlife Management Area, Westborough, Worcester County, Massachusetts, USA
April 29, 2010
Size: 2 mm
Emerged yesterday (4/28/10) from a gall in a white oak (
Quercus alba) leaf that I collected from the forest floor in March.
[Edit] Several months after this wasp emerged, I was doing a little housecleaning and discovered that a female had emerged from a similar gall on the same leaf: