Diptera.info :: Identification queries :: Diptera (adults)
 Lauxaniidae #4 from summer (16.07.11)
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| Juergen Peters |
Posted on 23-01-2012 20:10
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 Member Location: northwest Germany Posts: 14249 Joined: 11.09.04 |
Hello! Another Sapromyza? About 4 mm, at a hedge (northwest Germany). Juergen Peters attached the following image:  [60.23Kb] Edited by Juergen Peters on 23-01-2012 20:11 Best regards, Jürgen -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-= Juergen Peters Borgholzhausen, Germany WWW: http://insektenfo... -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-= |
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| Mark-uk |
Posted on 24-01-2012 17:40
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 Member Location: UK - Hampshire Posts: 792 Joined: 01.02.10 |
Sapromyza (Sapromyzosoma) quadripunctata |
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| rvanderweele |
Posted on 24-01-2012 18:33
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Member Location: Leiden, the Netherlands Posts: 1988 Joined: 01.11.06 |
I cannot tell which species it is with certainty, but I think it is not S. quadripunctata. I see already 3 pairs of black dots, I think. I am inclined to think it is S. opaca, since the dorsum isn't very glossy. But if somebody else has another opinion and think it is S. sexpunctata I am glad to hear it.
ruud van der weele rvanderweele@gmail.com |
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| Mark-uk |
Posted on 24-01-2012 20:11
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Member Location: UK - Hampshire Posts: 792 Joined: 01.02.10 |
To my eyes, The ocellar pair of bristles are wider apart - so s.g. Sapromyzosoma Acrostichals biserial so quadripunctata - in spite of name the number of spots variable either 4 or 6. That is my reasoning. But without a better picture of specimen I an am prepared to be proved wrong  |
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| rvanderweele |
Posted on 24-01-2012 20:29
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Member Location: Leiden, the Netherlands Posts: 1988 Joined: 01.11.06 |
I agree with what you say about the ocellar bristles, but I'd like to see it under the microscope. The fact that I have never seen a S. quadripunctata with 6 spots doesn't have a meaning in itself. Yet is seems a bit strange.
ruud van der weele rvanderweele@gmail.com |
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| Juergen Peters |
Posted on 24-01-2012 21:14
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Member Location: northwest Germany Posts: 14249 Joined: 11.09.04 |
Hello Mark and Ruud, I'm afraid I only have this single photo. I will save it as Sapromyza cf. quadripunctata, thanks. Best regards, Jürgen -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-= Juergen Peters Borgholzhausen, Germany WWW: http://insektenfo... -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-= |
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