Kwik-Key to Common Families of Hymenoptera

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

A. Does the front wing have two recurrent veins (arrows)? Is there a single large cell beneath the stigma (pink) that resembles a horsehead?

B. Does the front wing have only one recurrent vein (arrow)? Is the cell beneath the stigma small and roughly trapezoidal?

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