Diptera.info :: Identification queries :: Diptera (adults)
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 Gymnocheta viridis?
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| Jens Nielsen |
Posted on 23-07-2006 14:09
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Member Location: Posts: 21 Joined: 09.07.06 |
This fly here is, to my best guess from Collin's general insect field guide a Gymnocheta viridis. Can anyone confirm or refute this? When I've positively identified it, the picture will be put on the Wikipedia, so to avoid any perpetuation of a mistake, it's essential that it is not the wrong species. Unfortunately, I've only got this side view of the fly. Thanks in advance, Jens Nielsen biologist and Wikipedian Jens Nielsen attached the following image:  [67.3Kb] |
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| Nikita Vikhrev |
Posted on 23-07-2006 14:21
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 Member Location: Moscow, Russia Posts: 9337 Joined: 24.05.05 |
Looks like Gymnocheta viridis. It is a spring species, photo isn't yesterday's? Nikita Nikita Vikhrev - Zool Museum of Moscow University |
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| ChrisR |
Posted on 23-07-2006 14:29
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 Administrator Location: Reading, England Posts: 7699 Joined: 12.07.04 |
Hi Jens, From one photo it is very hard to say any identification is 100% correct - most are just educated guesses. With a specimen the chances of a good identification are much higher because you can go through the entire process of keying it out and making sure you haven't made any bad assumptions. That said, if the photo was taken in Spring then it is highly likely it is Gymnocheta viridis, but if was taken later then all bets are off  Chris R. |
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| Jens Nielsen |
Posted on 23-07-2006 14:41
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Member Location: Posts: 21 Joined: 09.07.06 |
The photo was taken on May 28 this year in The Hague, Netherlands. Does that qualify for spring? Anyway, are there any specific lookalike candidates? Gymnocheta sp. ? Jens |
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| Nikita Vikhrev |
Posted on 23-07-2006 15:14
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Member Location: Moscow, Russia Posts: 9337 Joined: 24.05.05 |
Hi Jens. Let it be late spring. And the condition of your fly's wings show us that 28 may is not fly's happy birthday. So, I think you may regard it as Gymnocheta viridis with very few doubts. More, Gymnocheta viridis is very common species, so any doubts have to count in favour of common species = Gymnocheta viridis Nikita Nikita Vikhrev - Zool Museum of Moscow University |
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| ChrisR |
Posted on 23-07-2006 15:15
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Administrator Location: Reading, England Posts: 7699 Joined: 12.07.04 |
Interestingly, the Central European key says "Mid March to End June (especially Mid April to Mid May)", so it can occur later than I thought. In that case I'd be more certain to call it G.viridis  |
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| Jens Nielsen |
Posted on 23-07-2006 15:37
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Member Location: Posts: 21 Joined: 09.07.06 |
Be it G. viridis then! Thanks for the advice! It is now put on the wikipedia http://en.wikiped...ta_viridis and also with a link from the Tachinidae. Edited by Jens Nielsen on 23-07-2006 23:49 |
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