Thread subject: Diptera.info :: Anthomyiidae on a leaf (= Hydrophoria lancifer)

Posted by John Carr on 02-11-2010 08:33
#5
How can you tell genus and species? If I use the key to genera in Manual of Nearctic Diptera I can't make out some crucial hairs, e.g. I can't tell whether the katepimeron is haired. Is there a more easily visible combination of characters to identify Hydrophoria (and H. lancifer)?