Diptera.info :: Identification queries :: Diptera (adults)
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 Tachinidae, Bessa selecta
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| Renko |
Posted on 13-06-2017 21:27
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Member Location: North of France Posts: 2389 Joined: 08.10.13 |
Hello, A Tachinidae found in North of France, Oxelaere, the 13 june 2017, on a Rosa sp., in a garden Maybe a Bessa parallela ? Greetings, Thomas Renko attached the following image:  [123.32Kb] Edited by Renko on 14-06-2017 21:14 |
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| Renko |
Posted on 13-06-2017 21:27
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Member Location: North of France Posts: 2389 Joined: 08.10.13 |
2nd picture
Renko attached the following image:  [137.33Kb] |
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| Renko |
Posted on 13-06-2017 21:27
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Member Location: North of France Posts: 2389 Joined: 08.10.13 |
3rd picture
Renko attached the following image:  [95.39Kb] |
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| Zeegers |
Posted on 14-06-2017 08:04
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Member Location: Soest, NL Posts: 18723 Joined: 21.07.04 |
It has discal bristles, so should be B. selecta. Theo |
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| Renko |
Posted on 14-06-2017 18:32
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Member Location: North of France Posts: 2389 Joined: 08.10.13 |
Thanks you very much, Theo !  I don't understand the criteria with the discal bristle, it look similar to the Bessa parallela I post the other day But it was near lots of Symphyta larva |
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| Zeegers |
Posted on 14-06-2017 18:45
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Member Location: Soest, NL Posts: 18723 Joined: 21.07.04 |
Focus on the third tergite (second visible tergite). The feature, is however, not 100 % but there is no better (known) Moreover, the Symphyta larvae demonstrate that I am right ! Thanks for this info. Theo |
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| Renko |
Posted on 14-06-2017 18:50
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Member Location: North of France Posts: 2389 Joined: 08.10.13 |
Thanks you for your help, Theo ! The discal part of the tergite is "the edge of the tergite" ? because if it is the case, on the other one I also see 2 discal setae on tergite 3 |
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| Zeegers |
Posted on 14-06-2017 19:15
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Member Location: Soest, NL Posts: 18723 Joined: 21.07.04 |
No ! Discal is middle, so not basal, not apical, but in between. On the edge are ... marginals (nomen est omen !) Theo |
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| Renko |
Posted on 14-06-2017 21:14
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Member Location: North of France Posts: 2389 Joined: 08.10.13 |
Ok, Theo ! That way clearer to me now !  |
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