Diptera.info :: Identification queries :: Diptera (adults)
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 Urophora 2015-VII-11 (= U. affinis)
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| John Carr |
Posted on 01-08-2015 14:28
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 Member Location: Massachusetts, USA Posts: 10172 Joined: 22.10.10 |
Wisconsin, USA July 11, 2015. I think it's a Urophora. We have several introduced European species. The key relies on female characters.
John Carr attached the following image:  [90.88Kb] Edited by John Carr on 01-08-2015 19:42 |
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| John Carr |
Posted on 01-08-2015 14:32
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Member Location: Massachusetts, USA Posts: 10172 Joined: 22.10.10 |
Dorsal
John Carr attached the following image:  [107.45Kb] |
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| Nosferatumyia |
Posted on 01-08-2015 19:22
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 Member Location: Posts: 3449 Joined: 29.12.07 |
Indeed, Urophora affinis was introduced into Canada and the USA as an agent of biocontrol of the spotted knapweed (Centaurea stoebe L. aka C. maculosa) and diffuse knapweed (C. diffusa Lamarck).
Edited by Nosferatumyia on 01-08-2015 19:23 Val |
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| Nosferatumyia |
Posted on 01-08-2015 19:24
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Member Location: Posts: 3449 Joined: 29.12.07 |
Please submit them for the gallery. Wonderful pics!
Val |
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