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Diptera.info :: Identification queries :: Diptera (adults)
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Darkish Drosophilid (29.10.23) --> Drosophila hydei
Juergen Peters
#1 Print Post
Posted on 30-10-2023 14:27
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Hello,

a 3.5 mm Drosophilidae in the house yesterday (northwest Germany). Can it be Drosophila hydei?
Juergen Peters attached the following image:


[80.35Kb]
Edited by Juergen Peters on 31-10-2023 15:21
Best regards,
Jürgen

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Juergen Peters
Borgholzhausen, Germany
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Jan Maca
#2 Print Post
Posted on 30-10-2023 17:04
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Do you have a possibility to make a picture from the side? From this picture I can rather consider a very dark immigrans or a member of virilis group (apparently not D. funebris because of different 4v-index).
 
Juergen Peters
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Posted on 30-10-2023 17:52
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Hello Jan,

Jan Maca wrote:
Do you have a possibility to make a picture from the side?

at least, the fly still lived today, it was flying in our store room. But I think, it was rather by incident that I saw it one more time...

From this picture I can rather consider a very dark immigrans

Shouldn't that species posess darkened veins?

or a member of virilis group (apparently not D. funebris because of different 4v-index).

Thank you very much. If I see the fly again, I will try my best to get a lateral photo.
Best regards,
Jürgen

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Juergen Peters
Borgholzhausen, Germany
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Juergen Peters
#4 Print Post
Posted on 30-10-2023 19:46
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Hello once more,

against all chances I really got it sitting on a mirror. Not completely lateral photos, but rather from the side. Not sure, if they are good enough...
Juergen Peters attached the following image:


[100.01Kb]
Best regards,
Jürgen

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Juergen Peters
Borgholzhausen, Germany
WWW: http://insektenfo...
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Juergen Peters
#5 Print Post
Posted on 30-10-2023 19:46
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Another pic.
Juergen Peters attached the following image:


[96.74Kb]
Best regards,
Jürgen

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Juergen Peters
Borgholzhausen, Germany
WWW: http://insektenfo...
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Jan Maca
#6 Print Post
Posted on 31-10-2023 05:44
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The first photo demonstrates how the identification from only one picture can be tricky. This picture did not show spotted mesonotum, on the other hand there were slight "shadows" on transverse veins. Thank you for making the second photo of apparently the same specimen. Now I agree that the fly is D. hydei. Btw, having only the second photo, one could believe that this fly has black wings Smile
 
Juergen Peters
#7 Print Post
Posted on 31-10-2023 15:21
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Thanks a lot, Jan!
Best regards,
Jürgen

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Juergen Peters
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Aneomochtherus

17.08.23 13:54
Tony, I HAD a blank in the file name. Sorry!

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Tony, thanks! I tried it (see "Cylindromyia" Wink but don't see the image in the post.

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