Diptera.info :: Identification queries :: Diptera (adults)
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 Which Tachinidae?
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| PeterD |
Posted on 11-11-2009 06:53
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Member Location: Portsmouth UK Posts: 297 Joined: 08.11.09 |
Could someone help me with this ID please? Thank you Kind regards Peter www.imageinuk.com |
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| ChrisR |
Posted on 11-11-2009 09:46
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 Administrator Location: Reading, England Posts: 7699 Joined: 12.07.04 |
Looks like a Siphona sp. (Tachinidae) but would probably be impossible to say more 
Edited by ChrisR on 11-11-2009 09:46 Manager of the UK Species Inventory in the Angela Marmont Centre for UK Biodiversity at the Natural History Museum, London. |
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| PeterD |
Posted on 11-11-2009 12:50
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Member Location: Portsmouth UK Posts: 297 Joined: 08.11.09 |
Thankyou. I have found another couple of images of this fly if it will help   Thanks Kind regards Peter www.imageinuk.com |
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| Stephen R |
Posted on 11-11-2009 13:50
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 Member Location: Clitheroe Lancashire UK Posts: 2396 Joined: 12.06.09 |
That's a good shot of the hinged proboscis No doubt about Siphona! Stephen. |
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| ChrisR |
Posted on 11-11-2009 16:46
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Administrator Location: Reading, England Posts: 7699 Joined: 12.07.04 |
Yes, it's definitely Siphona but this genus is very difficult to identify to species even when you have a specimen and a microscope. A lot of the keying features are very variable and complicated. Theo has sometimes been coaxed into giving a tentative ID but I wouldn't blame him for staying silent. S.geniculata has marginals on the T1+2 tergite (as is visible in the last photo) and is one of the commonest species, followed by S.cristata, which also sometimes has those bristles ... and then there is S.setosa, which is rarer but also has T1+2 marginals 
Manager of the UK Species Inventory in the Angela Marmont Centre for UK Biodiversity at the Natural History Museum, London. |
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| PeterD |
Posted on 11-11-2009 17:42
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Member Location: Portsmouth UK Posts: 297 Joined: 08.11.09 |
Thank you all for your replies. I think I shall settle for T. Siphona sp. It's long gone so no second chances
Kind regards Peter www.imageinuk.com |
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