Diptera.info :: Identification queries :: Diptera (adults)
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Tachinidae
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Robert Heemskerk |
Posted on 13-10-2009 20:16
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Member Location: Amsterdam, Netherlands Posts: 2082 Joined: 17.10.05 |
hi flyforum, This afternoon I got two tachinidae, on the edge of the forest near water. What kind of tachinidae are these? I've more detailed pictures if needed for identification.. place: Amsterdam forest date: 13-10-2009 Robert Heemskerk attached the following image: [111.74Kb] Greeting, Robert Heemskerk ---- WWW: http://robertheem...ndedag.htm --- |
ChrisR |
Posted on 13-10-2009 20:32
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Administrator Location: Reading, England Posts: 7699 Joined: 12.07.04 |
Would be nice to see those other photos - especially a lateral shot Looks a little like a Carcelia sp.
Manager of the UK Species Inventory in the Angela Marmont Centre for UK Biodiversity at the Natural History Museum, London. |
Zeegers |
Posted on 13-10-2009 20:36
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Member Location: Soest, NL Posts: 18724 Joined: 21.07.04 |
Looks like a Pales to me. Lateral shot would help Theo |
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Robert Heemskerk |
Posted on 13-10-2009 21:58
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Member Location: Amsterdam, Netherlands Posts: 2082 Joined: 17.10.05 |
hi Chris and Theo, Hereby, some more angles. There is some color in the femur (pink/redish), there are also some redish parts on the side of the thorax. And looking closely there is some of these redish/pink on the frons. Robert Heemskerk attached the following image: [107.61Kb] Edited by Robert Heemskerk on 13-10-2009 21:59 Greeting, Robert Heemskerk ---- WWW: http://robertheem...ndedag.htm --- |
Robert Heemskerk |
Posted on 13-10-2009 21:59
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Member Location: Amsterdam, Netherlands Posts: 2082 Joined: 17.10.05 |
headparts
Robert Heemskerk attached the following image: [104.76Kb] Edited by Robert Heemskerk on 13-10-2009 21:59 Greeting, Robert Heemskerk ---- WWW: http://robertheem...ndedag.htm --- |
Robert Heemskerk |
Posted on 13-10-2009 22:01
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Member Location: Amsterdam, Netherlands Posts: 2082 Joined: 17.10.05 |
This is another Tachinidae(female?), bigger in size but I think the same species. The Tachinidae on picture 1,2 and 3 could be male? (size much smaller) These Tachi's were sitting next to each other.. Robert Heemskerk attached the following image: [109.88Kb] Edited by Robert Heemskerk on 13-10-2009 22:02 Greeting, Robert Heemskerk ---- WWW: http://robertheem...ndedag.htm --- |
ChrisR |
Posted on 13-10-2009 23:04
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Administrator Location: Reading, England Posts: 7699 Joined: 12.07.04 |
Theo is correct - the facial bristles are much more like Pales
Manager of the UK Species Inventory in the Angela Marmont Centre for UK Biodiversity at the Natural History Museum, London. |
Robert Heemskerk |
Posted on 14-10-2009 10:58
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Member Location: Amsterdam, Netherlands Posts: 2082 Joined: 17.10.05 |
thanks Chris, In the Netherlands there are two kind of Pales sp.; 1) Pales pavida (Meigen, 1824) [species] 2) Pales processioneae (Ratzeburg, 1840) [species] Let's see what Theo's opinion is. greeting Robert, Edited by Robert Heemskerk on 14-10-2009 10:59 Greeting, Robert Heemskerk ---- WWW: http://robertheem...ndedag.htm --- |
ChrisR |
Posted on 14-10-2009 11:05
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Administrator Location: Reading, England Posts: 7699 Joined: 12.07.04 |
It's most likely to be Pales pavida but I recently tried keying a few spanish Pales and the key gets quite complicated (with some nasty measurements of face/frons & antenna length) but the male genitalia are nice and easy - not that it helps you here but perhaps Theo just knows them by sight (I have never seen processioneae)
Manager of the UK Species Inventory in the Angela Marmont Centre for UK Biodiversity at the Natural History Museum, London. |
Zeegers |
Posted on 14-10-2009 20:46
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Member Location: Soest, NL Posts: 18724 Joined: 21.07.04 |
Well, I know them by sight is too much of a complement, both species are very similar. This is pavida, based on the proportions of the head. Pavida is very common, processioneae restricted to Thaumetopoea and hardly ever seen in the wild. Chris, next time I'll send you some, I have plenty. Theo |
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ChrisR |
Posted on 14-10-2009 20:50
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Administrator Location: Reading, England Posts: 7699 Joined: 12.07.04 |
Thanks - that would be great Luckily the Spanish samples were males so I could check genitalia ... and they were very thin so they were P.pavida ... a few more to add to the collection
Manager of the UK Species Inventory in the Angela Marmont Centre for UK Biodiversity at the Natural History Museum, London. |
Robert Heemskerk |
Posted on 24-10-2009 15:51
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Member Location: Amsterdam, Netherlands Posts: 2082 Joined: 17.10.05 |
Thank you Theo and Chris again, Greeting, Robert Heemskerk ---- WWW: http://robertheem...ndedag.htm --- |
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