Kwik-Key to Common Families of Diptera

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

A.   Compound eyes meet (or nearly meet) in center of head.   Stem of “M” vein about as long as its branches.   Body and wings are smoky black in color.

A

B.   Compound eyes do not meet.    Stem of “M” vein is much shorter than its branches.   Body is usually brown; wings are mostly transparent.

B

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