Diptera.info :: Identification queries :: Diptera (adults)
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 Phasia aurulans?
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| Ruth Ahlburg |
Posted on 04-09-2010 20:09
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Member Location: Denmark Posts: 414 Joined: 26.09.07 |
From my garden near Copenhagen, Denmark to day. It has the size af P. aurulans, but it confused me a lot. Is i possible to make ID? Thanks in advance Ruth Ahlburg attached the following image:  [146.72Kb] Ruth Ahlburg Denmark |
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| Ruth Ahlburg |
Posted on 04-09-2010 20:13
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Member Location: Denmark Posts: 414 Joined: 26.09.07 |
Picture 2
Ruth Ahlburg attached the following image:  [186.96Kb] Ruth Ahlburg Denmark |
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| Ruth Ahlburg |
Posted on 04-09-2010 20:15
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Member Location: Denmark Posts: 414 Joined: 26.09.07 |
Picture 3 This made me think P. obesa Ruth Ahlburg attached the following image:  [181.42Kb] Ruth Ahlburg Denmark |
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| Ruth Ahlburg |
Posted on 04-09-2010 20:16
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Member Location: Denmark Posts: 414 Joined: 26.09.07 |
Picture 4 And this P. aurulans. Best Ruth Ahlburg attached the following image:  [184.08Kb] Edited by Ruth Ahlburg on 04-09-2010 20:17 Ruth Ahlburg Denmark |
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| Zeegers |
Posted on 05-09-2010 18:02
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Member Location: Soest, NL Posts: 18529 Joined: 21.07.04 |
The second pic is female aurulans. The last pic seems to be obesa, the feature for the crown on thorax is only valid for males !! Theo |
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| Ruth Ahlburg |
Posted on 05-09-2010 18:59
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Member Location: Denmark Posts: 414 Joined: 26.09.07 |
Hi Theo. Thank you very much. It is very strange, I made 41 pics over 14 minutes and to my knowledge, it is the same fly on all. When looking from above, it was black with no markings visible, looking from behind, I could se the crown on thorax, and the black abdomen turned like pic3. It demonstrate one of the problems in just taking pictures and not catching the fly. Thanks again! Ruth Ahlburg Denmark |
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| Zeegers |
Posted on 05-09-2010 19:33
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Member Location: Soest, NL Posts: 18529 Joined: 21.07.04 |
Żou might be right that it is all the same specimen. Dusting can be seen best very oblique from behind. Like your fig. 4. Maybe I misjudged it due to this very oblique angle. In any case, fig 2 is aurulans beyond reasonable doubt. Theo |
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| Ruth Ahlburg |
Posted on 05-09-2010 20:54
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Member Location: Denmark Posts: 414 Joined: 26.09.07 |
And it is very fine that ID for fig 2 is beyond any doubt. It“s the first time I see P.aurulans female. Ruth Ruth Ahlburg Denmark |
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but don't see the image in the post.
