Kwik-Key to Common Families of Hymenoptera

Select "A" or "B" for your specimen:

A.   There is a narrow junction (“wasp waist”) between the thorax and the abdomen.   There are no more than two closed cells in the hind wing.

A

B.   The abdomen is broadly joined to the thorax (there is no “wasp waist”).   There are three closed basal cells in the hind wing.

B