Key to the Families of Diptera Associated with Cow Dung

Couplet 12

Either:	Or:
12a.   Wing with cell dm short	12a'.   Wing with cell dm at least two times as long as broad, or absent
12b.   Empodium pulvilliform	12b'.   Empodium setiform, or absent
Stratiomyidae	Go to 13

First published on the Internet in 2000 by J.M. Cumming
Last updated 18 May 2006 by J.M. Cumming and G.D. Murray