Diptera.info :: Identification queries :: Diptera (adults)
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 Very small fly (07.04.13)
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| Juergen Peters |
Posted on 11-04-2013 19:04
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 Member Location: northwest Germany Posts: 13741 Joined: 11.09.04 |
Hello! If this fly at our housewall (northwest Germany) did not measure only 2.5 mm, I would have put it into Anthomyiidae or Muscidae. But with this small size I only know Coenosia agromyzina from here, and that seems to have longer antennae. Juergen Peters attached the following image:  [42.6Kb] Best regards, Jürgen -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-= Juergen Peters Borgholzhausen, Germany WWW: http://insektenfo... -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-= |
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| javanerkelens |
Posted on 11-04-2013 22:45
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 Member Location: Netherlands Posts: 2962 Joined: 18.10.07 |
Coenosia agromyzina has the Costa only extenting to apex of vein R 4+5 and this is not the case.. I am more thinking about Anthomyiidae species. And if....can't say more about it. Johanna Edited by javanerkelens on 11-04-2013 22:46 |
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| Juergen Peters |
Posted on 11-04-2013 23:01
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Member Location: northwest Germany Posts: 13741 Joined: 11.09.04 |
Hello, Johanna! javanerkelens wrote: I am more thinking about Anthomyiidae species. And if....can't say more about it. Thank you nevertheless! I have never seen such a small Anthomyiid. Best regards, Jürgen -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-= Juergen Peters Borgholzhausen, Germany WWW: http://insektenfo... -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-= |
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| John Carr |
Posted on 12-04-2013 01:16
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 Member Location: Massachusetts, USA Posts: 9934 Joined: 22.10.10 |
The costa appears distinctly swollen after Sc. Is that a clue? |
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| javanerkelens |
Posted on 12-04-2013 22:51
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Member Location: Netherlands Posts: 2962 Joined: 18.10.07 |
There are such small Anthomids …Egle species. Some can be almost as small as Agromyzidae. This species could be indeed one of those very small Egle species. To be sure, we just need more details….and I don’t think we can use the swollen costa as some characteristics. I have many small unidentified female Egle species and did not give them a proper look yet, because they are almost impossible to ID, but when I do….I will look if they have indeed all a swollen costa. I personally think this is a fresh emerged species with the wings not fully dried up, as a result of white pale veins what can imply a swollen look. Johanna |
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| Juergen Peters |
Posted on 12-04-2013 23:25
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Member Location: northwest Germany Posts: 13741 Joined: 11.09.04 |
Many thanks, Johanna! I never was aware of Anthomyiidae species much below 4 mm. This weekend up to 22 °C are prognosed, so I hope I can get more - and better - photos of flies... 
Best regards, Jürgen -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-= Juergen Peters Borgholzhausen, Germany WWW: http://insektenfo... -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-= |
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but don't see the image in the post.
