Diptera.info :: Identification queries :: Diptera (adults)
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 Fly ID requested
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| Cor Zonneveld |
Posted on 02-06-2007 21:35
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 Member Location: Amstelveen, the Netherlands Posts: 840 Joined: 14.10.06 |
I saw this fly 2 June at Amstelveen, the Netherlands. Several of them sat on a bare tree trunk of a dead willow. This tree was rife with nesting holes of various wasps, the saw dust covering the plants below the tree. One hole is visible on the photograph. The tree was close to a shallow lake. I expect the flies to be nest parasites of the wasps, albeit the fly looks much larger then the holes!. They are medium sized flies, say 8 - 10 mm. Is an ID possible?
Cor Zonneveld attached the following image:  [137.53Kb] Thanks for your attention Cor Zonneveld |
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| Stephane Lebrun |
Posted on 02-06-2007 21:51
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 Member Location: Le Havre, France Posts: 8248 Joined: 03.03.07 |
Hello, I think it is Eustalomyia hilaris (Anthomyidae). Regards. Edited by Stephane Lebrun on 02-06-2007 21:52 Stephane. |
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