Kwik-Key to Common Families of Hymenoptera

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

A.   The r-m crossvein of the hind wing (arrow) is located beyond the midpoint of the wing.   The basal cell (pink) is longer than the costal cell (yellow).

A

B.   The r-m crossvein of the hind wing (arrow) is located before the midpoint of the wing.   The basal cell (pink) is shorter than the costal cell (yellow).

B