Key to the Families of Diptera Associated with Cow Dung

Couplet 28

Either:	Or:
28a.   Gena broad with a row of bristles in the middle	28a'.   Gena usually narrow, but if broad, bristles confined to lower margin
28b.    Proboscis stout and bulbous	28b'.   Proboscis slender, often geniculate
Carnidae	Milichiidae

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