Diptera.info :: Identification queries :: Diptera (adults)
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 Anthomyiidae USA 2012-VII-3
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| John Carr |
Posted on 05-07-2012 03:30
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 Member Location: Massachusetts, USA Posts: 1451 Joined: 22.10.10 |
Massachusetts, USA July 3, 2012 To my eye this looked exactly like Hydrophoria lancifer but on closer examination of the photo I see 1. The frons is yellow. 2. The tibiae are black. 3. There is only one pair of postsutural acrostichals instead of two. 4. M-cu crossvein is more strongly curved. It was also in an unusual place, at the edge of a field instead of in the woods. I couldn't get a lateral shot.  (Click to enlarge or view on Flickr.) |
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| Stephen R |
Posted on 05-07-2012 11:35
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 Member Location: Clitheroe Lancashire UK Posts: 2374 Joined: 12.06.09 |
I think H. lancifer is OK here. The all-yellow frons is just newness. It is hard to judge the colour of the tibiae at this angle - they would probably be more translucent in dorsal view. Do you have any other Hydrophoria species with black femora and a long pre-alar? |
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http://www.luomus.
...what you prefer, we can discus this, during some good wine, cheese and many new pinned flies!