Diptera.info :: Identification queries :: Diptera (adults)
 New Cylindromyia species for me (02.08.26) --> C. bicolor (m)
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| Juergen Peters |
Posted on 03-08-2026 22:19
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 Member Location: northwest Germany Posts: 14580 Joined: 11.09.04 |
Hallo, the first time I found the genus Cylindromyia here in northwest Germany, was in August 2019. After that nearly every year single specimens occured, all of them C. brassicaria. But this one from yesterday appears the be Cylindromyia bicolor, correct? On Heracleum sphondylium on a meadow next to a hedge besides a small brook. Juergen Peters attached the following image:  [199.06Kb] Edited by Juergen Peters on 04-08-2026 10:47 Best regards, Jürgen -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-= Juergen Peters Borgholzhausen, Germany WWW: http://insektenfo... -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-= |
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| Juergen Peters |
Posted on 03-08-2026 22:19
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Member Location: northwest Germany Posts: 14580 Joined: 11.09.04 |
Pic #2
Juergen Peters attached the following image:  [186.78Kb] Best regards, Jürgen -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-= Juergen Peters Borgholzhausen, Germany WWW: http://insektenfo... -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-= |
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| eklans |
Posted on 04-08-2026 09:43
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Member Location: Franconia, Germany Posts: 4745 Joined: 11.11.18 |
Hallo Jürgen, yes - C. bicolor is correct - and the long claws point to a male.
Greetings, Eric |
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| Juergen Peters |
Posted on 04-08-2026 10:47
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Member Location: northwest Germany Posts: 14580 Joined: 11.09.04 |
Thanks a lot, Eric!
Best regards, Jürgen -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-= Juergen Peters Borgholzhausen, Germany WWW: http://insektenfo... -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-= |
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| Zeegers |
Posted on 05-08-2026 17:15
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Member Location: Soest, NL Posts: 19461 Joined: 21.07.04 |
https://natuurtijdschriften.nl/pub/1018812/NFM-53-pg-123-134-Zeegers.pdf and https://waarneming.nl/species/210118/maps/?start_date=2026-02-06&interval=15552000&end_date=2026-08-05&map_type=grid10k (aka, you are late, Jurgen  ) |
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| Juergen Peters |
Posted on 05-08-2026 23:12
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Member Location: northwest Germany Posts: 14580 Joined: 11.09.04 |
Zeegers wrote: https://natuurtijdschriften.nl/pub/1018812/NFM-53-pg-123-134-Zeegers.pdf and https://waarneming.nl/species/210118/maps/?start_date=2026-02-06&interval=15552000&end_date=2026-08-05&map_type=grid10k Thanks a lot, Theo! (aka, you are late, Jurgen )I can not go so often on photo tours any more for health (and actually temperature...) reasons. Best regards, Jürgen -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-= Juergen Peters Borgholzhausen, Germany WWW: http://insektenfo... -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-= |
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| Juergen Peters |
Posted on 08-08-2026 16:21
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Member Location: northwest Germany Posts: 14580 Joined: 11.09.04 |
Hello once again, today I found the species really synanthropic: in our (abandoned) courtyard. Is this also a male? Juergen Peters attached the following image:  [167.32Kb] Best regards, Jürgen -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-= Juergen Peters Borgholzhausen, Germany WWW: http://insektenfo... -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-= |
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| Juergen Peters |
Posted on 08-08-2026 16:21
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Member Location: northwest Germany Posts: 14580 Joined: 11.09.04 |
Pic #2
Juergen Peters attached the following image:  [187.67Kb] Best regards, Jürgen -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-= Juergen Peters Borgholzhausen, Germany WWW: http://insektenfo... -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-= |
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| eklans |
Posted on 08-08-2026 17:15
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Member Location: Franconia, Germany Posts: 4745 Joined: 11.11.18 |
Hello Jürgen, yes it's also a boy - living on big feet!
Greetings, Eric |
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| Juergen Peters |
Posted on 08-08-2026 17:26
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Member Location: northwest Germany Posts: 14580 Joined: 11.09.04 |
Hello Eric, eklans wrote: yes it's also a boy - living on big feet! thank you! I think, I must have seen a female to notice the difference on such photos... Best regards, Jürgen -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-= Juergen Peters Borgholzhausen, Germany WWW: http://insektenfo... -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-= |
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| eklans |
Posted on 08-08-2026 18:19
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Member Location: Franconia, Germany Posts: 4745 Joined: 11.11.18 |
Hi Jürgen, I'll open a new thread with views of males and females C. bicolor. It's worth trying to shoot photos of the abdomen laterally and ventrally. Greetings, Eric |
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| Juergen Peters |
Posted on 08-08-2026 19:16
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Member Location: northwest Germany Posts: 14580 Joined: 11.09.04 |
eklans wrote: I'll open a new thread with views of males and females C. bicolor. It's worth trying to shoot photos of the abdomen laterally and ventrally. Thank you one more time, Eric! From those pictures it is totally clear, which is boy and which girl. 
Best regards, Jürgen -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-= Juergen Peters Borgholzhausen, Germany WWW: http://insektenfo... -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-= |
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| Carnifex |
Posted on 09-08-2026 11:42
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 Member Location: Vienna, Austria Posts: 2080 Joined: 23.06.15 |
Thanks Eric from my side as well. Here the link, so that it is easier to find: https://diptera.i..._id=118063 Naïvely looking the the abdomen, the ♀ certainly could be mistaken for a ♂, with its enlarged and curled terminal Cheers, Lorin Font Color All requests are from the urban area of Vienna, if not otherwise stated. My Diptera observations (and other living forms) can be found here, and corrections or comments over there would also be appreciated. |
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