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 Identification confirmation and help
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| Bob |
Posted on 08-10-2013 18:40
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Member Location: Juneau, Alaska Posts: 56 Joined: 18.06.12 |
Is this a Robber Fly in the family Asilidae? Any idea on the genera? Photographed in Sitka, Alaska on August 18, 2012. Thanks, Bob Bob attached the following image:  [102.21Kb] Robert H. Armstrong |
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| Paul Beuk |
Posted on 08-10-2013 21:32
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 Super Administrator Location: Netherlands Posts: 19365 Joined: 11.05.04 |
bibio sp.
Paul - - - - Paul Beuk on https://diptera.info |
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| John Carr |
Posted on 08-10-2013 22:43
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 Member Location: Massachusetts, USA Posts: 10176 Joined: 22.10.10 |
I think Bibio nigritus Curran, 1924, or Bibio bryanti Johnson, 1929 if that is a distinct species. They used to be synonyms. I have not seen the latest literature on northern Bibio. The key to North American species (Hardy, 1945) relies on length of inner spurs of fore tibia and r-m crossvein relative to basal section of Rs. Those are not clearly visible. Most guesses lead to dead ends. One leads to a species that matches your photo. |
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