Diptera.info :: Identification queries :: Diptera (adults)
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 unknown (NL) > Achalcus thalhammeri
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| blaauw7 |
Posted on 05-11-2020 15:58
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 Member Location: Wageningen, Netherlands Posts: 2542 Joined: 22.09.07 |
5 Nov 2020, Sky light, mid Netherlands...…..? Gr Dick blaauw7 attached the following image:  [108.22Kb] Edited by blaauw7 on 18-11-2020 07:39 |
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| tristram |
Posted on 05-11-2020 16:55
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Member Location: Reading, UK Posts: 1333 Joined: 27.06.10 |
Dolichopodidae |
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| Paul Beuk |
Posted on 05-11-2020 23:09
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 Super Administrator Location: Netherlands Posts: 19375 Joined: 11.05.04 |
Achalcus, ? melanotrichus
Paul - - - - Paul Beuk on https://diptera.info |
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| blaauw7 |
Posted on 06-11-2020 07:36
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Member Location: Wageningen, Netherlands Posts: 2542 Joined: 22.09.07 |
Thank you Tristram and Paul. Saved the specimen. Gr Dick Edited by blaauw7 on 08-11-2020 09:15 |
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| Igor Grichanov |
Posted on 06-11-2020 09:35
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 Member Location: St.Petersburg, Russia Posts: 1723 Joined: 17.08.06 |
Achalcus cinereus is better.
Igor Grichanov |
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| Paul Beuk |
Posted on 07-11-2020 09:34
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Super Administrator Location: Netherlands Posts: 19375 Joined: 11.05.04 |
That's why I put the '?' in
Paul - - - - Paul Beuk on https://diptera.info |
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| blaauw7 |
Posted on 08-11-2020 09:14
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Member Location: Wageningen, Netherlands Posts: 2542 Joined: 22.09.07 |
Thank you!!! Gr Dick |
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| Paul Beuk |
Posted on 17-11-2020 19:30
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Super Administrator Location: Netherlands Posts: 19375 Joined: 11.05.04 |
First suggestion was 'good', second suggestion was 'better', the final result is best''. After examination of the genitalia: A. thalhammeri (new for the Dutch list).
Paul - - - - Paul Beuk on https://diptera.info |
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| blaauw7 |
Posted on 18-11-2020 07:31
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Member Location: Wageningen, Netherlands Posts: 2542 Joined: 22.09.07 |
That's interesting news Paul! Nice. Thanks! I submitted a photo of this fly to the gallery as Achalcus cinereus (latest photo addition). It must be changed now to A. thalhammeri Gr Dick |
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| Paul Beuk |
Posted on 18-11-2020 08:03
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Super Administrator Location: Netherlands Posts: 19375 Joined: 11.05.04 |
Okay. If you then correct female to male on Waarneming.nl we are all up to speed. 
Paul - - - - Paul Beuk on https://diptera.info |
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| Marc Pollet |
Posted on 20-12-2020 01:41
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Member Location: Welle (Denderleeuw) Posts: 161 Joined: 02.06.05 |
Check the key to Achalcus in Pollet (1996): this is certainly not A. cinereus, but might, indeed, be A. thalhammeri due to its unicolorous thorax. However, you can only achieve 100% certainty by collecting the specimen and compare it to reference collection material. |
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| Paul Beuk |
Posted on 21-12-2020 10:23
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Super Administrator Location: Netherlands Posts: 19375 Joined: 11.05.04 |
Marc, the only way I could identify it a thalhammeri was because I had the actual specimen.
Paul - - - - Paul Beuk on https://diptera.info |
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| Marc Pollet |
Posted on 06-03-2021 23:20
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Member Location: Welle (Denderleeuw) Posts: 161 Joined: 02.06.05 |
Dear Paul, Great to hear this. Is this observation to be found in waarneming.nl? Then I could include it, together with the collectors and identifiers, in an upcoming paper on new doli species for the Netherlands? Any chance you might get a male as well, you reckon? Cheers, Marc |
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| blaauw7 |
Posted on 07-03-2021 12:39
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Member Location: Wageningen, Netherlands Posts: 2542 Joined: 22.09.07 |
Hi Marc, At the moment I am writing a small article about this new (male) doli species. I found it in my garden last year. https://waarneming.nl/waarneming/view/202787279 Gr Dick |
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