Diptera.info :: Identification queries :: Diptera (adults)
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 Tachinidae sp ?
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| Ben Hamers |
Posted on 17-02-2005 17:29
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Member Location: Heerlen ( Holland ) Posts: 737 Joined: 16.12.04 |
Hello, This one is from last summer, near Heerlen. Thanks in advance, Ben Ben Hamers attached the following image:  [56.73Kb] Edited by Ben Hamers on 21-05-2012 22:49 |
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| Paul Beuk |
Posted on 17-02-2005 21:03
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 Super Administrator Location: Netherlands Posts: 19403 Joined: 11.05.04 |
It is a tachinid alright, but I leave it to someone more knowledgable to put a name to it. 
Paul - - - - Paul Beuk on https://diptera.info |
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| Zeegers |
Posted on 20-02-2005 21:15
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Member Location: Soest, NL Posts: 19002 Joined: 21.07.04 |
Dear Ben, Your Tachinid seems to be Leskia aurea. The picture is possibly somewhat misleading: there is a suggestion of a black median vitta on the abdomen, expect that it is not median ! So, I premuse the abdomen actually is quite yellow and the black colouration is an artifact of the flashlight. Otherwise, the picture is quite consistent with Leskia aurea, which is quite rare actually, mostly found in August. The biology is special: the species attacks caterpillars of Sesiidae, and since those live IN wood, the Tachinid larva needs to enter the treetrunk first before it can meet its host. Theo Zeegers |
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| Ben Hamers |
Posted on 20-02-2005 22:58
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Member Location: Heerlen ( Holland ) Posts: 737 Joined: 16.12.04 |
Hello Theo, Many thanks for your explanation, it's very similar to my experiences with the animal. I didn't see such a fly until August, then a saw some several times (on Heracleum) and after a few weeks they seemed to have disappeared. Here is another picture of it, without flash. Ben Ben Hamers attached the following image:  [47.81Kb] Edited by Ben Hamers on 21-05-2012 22:51 |
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| Zeegers |
Posted on 22-02-2005 21:38
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Member Location: Soest, NL Posts: 19002 Joined: 21.07.04 |
Hi Ben, Same species, Leskia aurea indeed, but a different specimen. The first one was a female, this seems to be a male. I'm surprised to read that they are not uncommon around Heerlen, but they definitely are fond of Heracleum, so that sounds familiar again. Congratulations. Theo |
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