Diptera.info :: Identification queries :: Diptera (adults)
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 Dolichopodidae - Pelastoneurus sp.
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| bradbarnd |
Posted on 28-01-2012 19:42
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Member Location: USA Posts: 164 Joined: 28.07.11 |
Collected at UV light, June 2011, Florida, USA. Size is 3 mm I had initially thought this may be a Tachytrechus sp., due to the apparent elongated face. But the color pattern doesn't match any of the North American species. So maybe more along the lines of Paraclius or Pelastoneurus? bradbarnd attached the following image:  [27.23Kb] Edited by bradbarnd on 29-01-2012 00:50 |
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| bradbarnd |
Posted on 28-01-2012 19:42
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Member Location: USA Posts: 164 Joined: 28.07.11 |
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bradbarnd attached the following image:  [33.39Kb] |
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| bradbarnd |
Posted on 28-01-2012 19:43
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Member Location: USA Posts: 164 Joined: 28.07.11 |
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bradbarnd attached the following image:  [11.89Kb] |
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| bradbarnd |
Posted on 28-01-2012 19:43
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Member Location: USA Posts: 164 Joined: 28.07.11 |
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bradbarnd attached the following image:  [15.47Kb] |
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| Jason G |
Posted on 28-01-2012 20:25
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 Member Location: London UK Posts: 136 Joined: 22.12.08 |
What area have you roughley keyed it out to?
London's Insects http://londoninve...hostia.com |
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| bradbarnd |
Posted on 28-01-2012 20:38
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Member Location: USA Posts: 164 Joined: 28.07.11 |
It went to couplet 22 of Manual of Nearctic Diptera's chapter on the family, which has Tanytrechus as an option. Beyond that are Pelastoneurus, Gymnopternus, Hercostomus, and Paraclius. If its not Tanytrechus, as best I can tell it keys onwards to Paraclius. Edited by bradbarnd on 28-01-2012 20:39 |
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| Marc Pollet |
Posted on 29-01-2012 00:10
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Member Location: Welle (Denderleeuw) Posts: 161 Joined: 02.06.05 |
Dear Bradbarnd, It's an obvious Pelastoneurus (see the bulging face). Another character is the ventral and dorsal pubescence of the arista that should be distinct and longer than the lateral one but this is not so easy to deduce from your pictures. Dr Scott Brooks (ECORC, Ottawa, Canada) might be able to put a species name of this (unfortunately female) specimen. Cheers, Marc |
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| bradbarnd |
Posted on 29-01-2012 00:50
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Member Location: USA Posts: 164 Joined: 28.07.11 |
Thanks Marc. I couldn't see the aristal hairs very well myself to judge their lengths. Its good to know that face is another characteristic to look for. |
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