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View Thread :: Identification queries :: Diptera (adults)
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blue-eyed doli -->either Gymnopternus or Hercostomus (microscopic examination needed)
#1 Print Post
Posted on 21-07-2022 14:29

Location: east China (Zhejiang)
Posts: 259
Joined: 09.02.18

Observed last month near a stream in east China (Zhejiang province), body length approx. 5mm. Judging from the general appearance and wing venation, is Gymnopternus sp. a good candidate? Thanks in advance!
guplox attached the following image:

Edited by guplox on 22-07-2022 07:59
Igor Grichanov
#2 Print Post
Posted on 22-07-2022 07:49
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Location: St.Petersburg, Russia
Posts: 1622
Joined: 17.08.06

Unfortunately, it is impossible to separate Chinese Gymnopternus from Hercostomus without microscope.
Igor Grichanov
#3 Print Post
Posted on 22-07-2022 07:58

Location: east China (Zhejiang)
Posts: 259
Joined: 09.02.18

Thank you, Igor, for sharing your opinion on the difficulty in identifying this particular genus. TumbsUp
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06 February 2023 14:42


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Thanks, Jan Willem! Much appreciated. Grin

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Lis - This is vol.11 (eleven) and is 346 pages. Sorry, don't have a copy.

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