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Diptera Associated with Livestock Dung

Key to the Families of Diptera Associated with Cow Dung*

by Jeffrey M. Cumming
Invertebrate Biodiversity
Agriculture and Agri-Food Canada
960 Carling Avenue
Ottawa, Ontario, Canada K1A 0C6


(* Families occurring in North America with larvae living in cow dung or liquid manure)

Couplet 1

Either: Or:
1a.   Antennal flagellum with four or more freely articulated flagellomeres, without apical stylus or arista 1a'.   Antennal flagellum consolidated into apparent single segment, typically bearing apical stylus or arista
1b.    Palpus usually with three to five segments 1b'.    Palpus with two or less segments
(NEMATOCERA) Go to 2 (BRACHYCERA) Go to 11


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

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