Diptera.info :: Identification queries :: Diptera (adults)
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 big Tachinidae sp.
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| Robert Heemskerk |
Posted on 22-04-2007 16:49
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 Member Location: Amsterdam, Netherlands Posts: 2082 Joined: 17.10.05 |
hello flyforum, This afternoon I found this big Tachninidae sp. in the Amsterdam Forest. It's size was about 15 mm. obviously are its yellow palps and the yellow boots (on the end of the legs) on the eyes I see blondish hair Is this Tachinidae? and what kind of Tachinidae is this? Robert, Robert Heemskerk attached the following image:  [152.53Kb] Edited by Robert Heemskerk on 22-04-2007 16:51 |
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| Robert Heemskerk |
Posted on 22-04-2007 16:49
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Member Location: Amsterdam, Netherlands Posts: 2082 Joined: 17.10.05 |
pic 2
Robert Heemskerk attached the following image:  [171.38Kb] Edited by Robert Heemskerk on 22-04-2007 16:49 |
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| Robert Heemskerk |
Posted on 22-04-2007 16:50
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Member Location: Amsterdam, Netherlands Posts: 2082 Joined: 17.10.05 |
detail of head
Robert Heemskerk attached the following image:  [136.23Kb] Edited by Robert Heemskerk on 22-04-2007 16:50 |
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| Zeegers |
Posted on 22-04-2007 18:47
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Member Location: Soest, NL Posts: 18546 Joined: 21.07.04 |
Hi Robert Good call ! It is, indeed, a Tachinid, though often mistaken for a Sarcophagidae because of the slender abdomen. This is Phorocera assimilis, a common species in deciduous forests, typically in may. Even more common is its smaller brother, Ph. obscura. Both Phorocera's have in the male sexe the genitalia hugely enlarged, easy to see. Theo Zeegers |
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| Robert Heemskerk |
Posted on 22-04-2007 19:49
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Member Location: Amsterdam, Netherlands Posts: 2082 Joined: 17.10.05 |
Hi Theo, My first impression was indeed Sarcophagidae.. Thank you for your description.  I got left one question: on what kind of insekt(butterlfy?) does it parasite? |
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| ChrisR |
Posted on 22-04-2007 21:17
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 Administrator Location: Reading, England Posts: 7699 Joined: 12.07.04 |
Hi Robert, Have a look here http://tachinidae...brcno=7301. It seems to parasitize "Noctuidae and Geometridae living in Deciduous woodland". I must admit to thinking it was a sarcophagid (big pulvilli and long body) but the hairy eyes and bare arista put me off so I didn't speculate on an identification Unfortunately I don't see many of them here.  Chris R. Edited by ChrisR on 22-04-2007 21:19 |
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but don't see the image in the post.