Diptera.info :: Identification queries :: Diptera (adults)
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 Tachinid for ID, N Spain --> Policheta unicolor
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| Piluca_Alvarez |
Posted on 20-09-2011 20:10
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 Member Location: Madrid, Spain Posts: 2431 Joined: 06.11.10 |
Taken at Gijon, N Spain on the 10th September 2011. Thanks in advance for any help in the ID 
Piluca_Alvarez attached the following image:  [162.18Kb] Edited by Piluca_Alvarez on 12-11-2011 16:48 |
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| Piluca_Alvarez |
Posted on 20-09-2011 20:10
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Member Location: Madrid, Spain Posts: 2431 Joined: 06.11.10 |
A lateral view.
Piluca_Alvarez attached the following image:  [167.99Kb] |
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| Piluca_Alvarez |
Posted on 20-09-2011 20:11
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Member Location: Madrid, Spain Posts: 2431 Joined: 06.11.10 |
A dorsal view.
Piluca_Alvarez attached the following image:  [170.14Kb] |
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| Zeegers |
Posted on 20-09-2011 20:16
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Member Location: Soest, NL Posts: 18532 Joined: 21.07.04 |
Looks very interesting (thickened arista, wing venation, setae on face), but does not ring a bell (??Elodia??) Theo |
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| Piluca_Alvarez |
Posted on 20-09-2011 20:25
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Member Location: Madrid, Spain Posts: 2431 Joined: 06.11.10 |
Thanks a bunch for your input, Theo!  But if it doesn't ring a bell for you, that is really bad news  Marian took some pictures of it too. I will ask her to post them in this thread just in case her shots add some information. She might have got better detail. Please, keep an eye on this thread |
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| Marian |
Posted on 20-09-2011 21:20
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 Member Location: Oviedo, N Spain Posts: 295 Joined: 24.06.11 |
Hi, folks! This is the only decent picture I got of the little character, I managed to blur all my pics!!!  Hope it adds some light to the "mystery". Cheers! Marian attached the following image:  [159.26Kb] |
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| ChrisR |
Posted on 20-09-2011 23:20
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 Administrator Location: Reading, England Posts: 7699 Joined: 12.07.04 |
Something close to Pales?
Manager of the UK Species Inventory in the Angela Marmont Centre for UK Biodiversity at the Natural History Museum, London. |
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| Zeegers |
Posted on 21-09-2011 21:09
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Member Location: Soest, NL Posts: 18532 Joined: 21.07.04 |
The apical scutellars are small and not crossed !!! theo |
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| ChrisR |
Posted on 21-09-2011 21:11
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Administrator Location: Reading, England Posts: 7699 Joined: 12.07.04 |
Oops ... forgot that ... rare feature ... I agree, interesting ... I'll back out gracefully
Manager of the UK Species Inventory in the Angela Marmont Centre for UK Biodiversity at the Natural History Museum, London. |
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| jorgemotalmeida |
Posted on 21-09-2011 21:58
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 Member Location: Viseu - PORTUGAL Posts: 9296 Joined: 05.06.06 |
Mystery of the month. |
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| sd |
Posted on 21-09-2011 22:04
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Member Location: Suffolk, UK Posts: 892 Joined: 11.10.07 |
How about Policheta unicolor Steve |
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| jorgemotalmeida |
Posted on 21-09-2011 22:19
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Member Location: Viseu - PORTUGAL Posts: 9296 Joined: 05.06.06 |
mystery solved?  |
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| ChrisR |
Posted on 22-09-2011 00:11
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Administrator Location: Reading, England Posts: 7699 Joined: 12.07.04 |
I happen to have 1 Policheta unicolor (a rare species here) and it does look very good ... it has: - the facial ridge bristles - hairy eyes - short diverging apical scutellars - lots of median dorsals on the tergites - lateroclinate parafrontals - 3 post-dc and post-acr - excavation of T1+2 not reaching the margin My only slight doubt is the colour - mine is very black but this seems to have a blue cast to it. ... so it is Policheta unicolor or something very closely related to it
Edited by ChrisR on 22-09-2011 00:12 Manager of the UK Species Inventory in the Angela Marmont Centre for UK Biodiversity at the Natural History Museum, London. |
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| Piluca_Alvarez |
Posted on 22-09-2011 05:39
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Member Location: Madrid, Spain Posts: 2431 Joined: 06.11.10 |
Thanks a lot for the ID and the efforts you are making, Chris! And Policheta unicolor is listed as an Iberian species too! That is good news!! About the colour, when we saw the fly we described it as 'the blackish Tachinid' not bluish. I think due to light, it looks more bluish in the pictures than it really is. It was more greyish than bluish, but definitely black. I guess that if it is confirmed, Paul would like to have those pictures in the gallery |
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| Zeegers |
Posted on 23-09-2011 18:27
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Member Location: Soest, NL Posts: 18532 Joined: 21.07.04 |
I don't want to spoil the meal, but the praealar seta is strong, so it seems.... Theo |
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| sd |
Posted on 23-09-2011 19:38
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Member Location: Suffolk, UK Posts: 892 Joined: 11.10.07 |
I think I see a weak pre-alar in front of a strong supra-alar Steve (please excuse my poor photoshop skills and editing the above photo) sd attached the following image:  [102.93Kb] |
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| jorgemotalmeida |
Posted on 23-09-2011 19:49
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Member Location: Viseu - PORTUGAL Posts: 9296 Joined: 05.06.06 |
I also see a strong pre-alar... so what can this be? Really the mystery of the month. |
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| Piluca_Alvarez |
Posted on 12-11-2011 16:47
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Member Location: Madrid, Spain Posts: 2431 Joined: 06.11.10 |
Jorge has told me that H. P. Tschorsnig has confirmed it is Policheta unicolor. He said: 'The lateroclinate outer orbital bristles and the erect mouth margin are typical for this species.' Thanks a lot to anyone that has taken part of the discussion about this interesting and unexpected Tachinid And of course, the pictures will be submit to the gallery soon Also found here: http://www.biodiversidadvirtual.org/insectarium/Policheta-unicolor-Fallen-1820-img280078.html http://www.biodiversidadvirtual.org/insectarium/Policheta-unicolor-Fallen-1820-img280079.html http://www.biodiversidadvirtual.org/insectarium/Policheta-unicolor-Fallen-1820-img280080.html http://www.biodiversidadvirtual.org/insectarium/Policheta-unicolor-Fallen-1820-img280832.html |
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