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Diptera.info :: Identification queries :: Diptera (adults)
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Agromyzidae near pond -> Cerodontha (Dizygomyza) bimaculata group
Haleun
#1 Print Post
Posted on 21-09-2024 10:44
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Location: Hannover, Germany
Posts: 679
Joined: 29.10.11

Hello,
my pictures are from June 6, 2022 in Hannover,Germany. It was at our garden pond with a lot of Juncaceae. Could it possibly be a Cerodontha bimaculata?

Many thanks from Hans
Haleun attached the following image:


[284.07Kb]
Edited by Haleun on 25-09-2024 17:31
 
Haleun
#2 Print Post
Posted on 21-09-2024 10:45
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Location: Hannover, Germany
Posts: 679
Joined: 29.10.11

pic #2
Haleun attached the following image:


[291.22Kb]
 
Haleun
#3 Print Post
Posted on 21-09-2024 10:46
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Location: Hannover, Germany
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pic #3
Haleun attached the following image:


[253.86Kb]
 
John Carr
#4 Print Post
Posted on 21-09-2024 16:44
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Location: Massachusetts, USA
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I agree with subgenus Dizygomyza. Cerodontha bimaculata is supposed to have wing membrane darkened.
 
http://www.flickr.com/photos/31715949@N00
Haleun
#5 Print Post
Posted on 24-09-2024 12:17
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Location: Hannover, Germany
Posts: 679
Joined: 29.10.11

Thank you, John!

Cheers, Hans
 
von Tschirnhaus
#6 Print Post
Posted on 25-09-2024 14:41
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Location: Bielefeld, Germany
Posts: 450
Joined: 04.11.07

Agromyzidae, Agromyzinae, Cerodontha (Dizygomyza) bimaculata (Meigen, 1830) group, established by Nowakowski 1973, p. 754-758, 762 [Polskie Pismo entomologiczne 42(4): 1972): 735-765, distributed early in 1973]. Most Dizygomyza males with sexual dimorphic large third antennal segment, all Dizygomyza with a lunule more plain than a semicircle. C. bimaculata group with yellowish lateral parts of the anterior tergites and wide yellow hind edges of tergites.
 
http://www.uni-bielefeld.de/biologie/sammlung/inde
Haleun
#7 Print Post
Posted on 25-09-2024 17:40
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Location: Hannover, Germany
Posts: 679
Joined: 29.10.11

Dear Michael,
I send you a big Thank You!

My best regards,
Hans
 
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