Diptera.info :: Identification queries :: Diptera (adults)
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 Anthomyiidae for ID, C Spain --> Delia sp.
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| Piluca_Alvarez |
Posted on 06-04-2012 23:04
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 Member Location: Madrid, Spain Posts: 2431 Joined: 06.11.10 |
Taken in a garden in the outskirts of Madrid on the 17th March 2012. Thanks in advance for any help 
Piluca_Alvarez attached the following image:  [128.26Kb] Edited by Piluca_Alvarez on 21-04-2012 12:04 |
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| Piluca_Alvarez |
Posted on 06-04-2012 23:05
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Member Location: Madrid, Spain Posts: 2431 Joined: 06.11.10 |
Another view.
Piluca_Alvarez attached the following image:  [141.73Kb] |
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| Piluca_Alvarez |
Posted on 06-04-2012 23:06
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Member Location: Madrid, Spain Posts: 2431 Joined: 06.11.10 |
And another view.
Piluca_Alvarez attached the following image:  [168.14Kb] |
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| Stephen R |
Posted on 07-04-2012 10:15
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 Member Location: Clitheroe Lancashire UK Posts: 2396 Joined: 12.06.09 |
Delia platura. |
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| javanerkelens |
Posted on 07-04-2012 19:36
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 Member Location: Netherlands Posts: 2962 Joined: 18.10.07 |
Hmm.....On the last photo the prealar seems missing and i don't see the row of av/pv on t3 and we see 2 strong posterior setae on t1 So i have doubt about D. platura.... |
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| Stephen R |
Posted on 08-04-2012 11:38
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Member Location: Clitheroe Lancashire UK Posts: 2396 Joined: 12.06.09 |
Good points, though I did think the pvs on t3 might be hidden from these angles. But I can't easily reconcile what I can see with any of the other candidates with a fore-tibial spur. Can we agree on 'Delia sp.'? |
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| javanerkelens |
Posted on 08-04-2012 12:03
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Member Location: Netherlands Posts: 2962 Joined: 18.10.07 |
I agree with you that the pv on t3 often are not visible on photos. And there are indeed not many other candidates with a fore tibial spur that could fit to this fly. The only candidate I could think of is D. antiqua For now Delia species seems right, but maybe Piluca has some more photos with a better view on the hindtibia. Edited by javanerkelens on 08-04-2012 12:04 |
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| Stephen R |
Posted on 08-04-2012 12:59
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Member Location: Clitheroe Lancashire UK Posts: 2396 Joined: 12.06.09 |
D. antiqua does look possible - if there is a pre-alar after all  So hard from photos! |
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| Piluca_Alvarez |
Posted on 12-04-2012 20:40
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Member Location: Madrid, Spain Posts: 2431 Joined: 06.11.10 |
Sorry for the late reply and THANKS A LOT to you both for your input, Joke and Stephen!!  I am adding a couple of pictures where the chaetotaxy can be seen better. Do you mean prealar bristles? I am going to look if there is any picture showing this better. Piluca_Alvarez attached the following image:  [146.63Kb] |
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| Piluca_Alvarez |
Posted on 12-04-2012 20:41
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Member Location: Madrid, Spain Posts: 2431 Joined: 06.11.10 |
Another picture
Piluca_Alvarez attached the following image:  [129.59Kb] |
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| javanerkelens |
Posted on 12-04-2012 21:47
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Member Location: Netherlands Posts: 2962 Joined: 18.10.07 |
I think Delia is right, with a possibility it could be D. antiqua, I don't dare to go futher.... I added a photo to show the prealar seta.. javanerkelens attached the following image:  [175.48Kb] |
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| Piluca_Alvarez |
Posted on 12-04-2012 22:17
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Member Location: Madrid, Spain Posts: 2431 Joined: 06.11.10 |
Thanks once more, Joke!! Now I know exactly what I need to look for in my pictures. Hope to find something clearer |
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| Piluca_Alvarez |
Posted on 19-04-2012 20:32
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Member Location: Madrid, Spain Posts: 2431 Joined: 06.11.10 |
Well, again too late but here is finally a shot of the lateral bristles on thorax. Sorry quality isn't the best, but there isn't anything better  Hope it helps
Piluca_Alvarez attached the following image:  [124.43Kb] |
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| Stephen R |
Posted on 19-04-2012 20:56
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Member Location: Clitheroe Lancashire UK Posts: 2396 Joined: 12.06.09 |
I agree with Joke that all we can say is that the lack of a strong pre-alar rules out D. platura. D. antiqua may be possible (it has a weaker pre-alar), but we'd need better evidence to go beyond 'Delia sp.' |
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| Piluca_Alvarez |
Posted on 21-04-2012 12:00
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Member Location: Madrid, Spain Posts: 2431 Joined: 06.11.10 |
Thanks a lot again, Stephen! I cannot provide better evidence so I know now that definitely all we can say is Delia sp.. Good enough for me! Many thanks to you both for your input and interest!! |
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