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 Drosophila in my house for ID
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| williams |
Posted on 12-11-2022 21:09
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Member Location: Posts: 10 Joined: 31.08.18 |
12/11/2022 in Haute-Garonne, France Hello, I wonder which species is this Drosophila ? Do you have any suggestion ?  Thanks in advance Edited by williams on 12-11-2022 21:11 |
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| weia |
Posted on 12-11-2022 23:33
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Member Location: Posts: 360 Joined: 10.07.11 |
Hydei and repleta have such thoraxes, but maybe more species. I have no experience with them. |
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| Jan Maca |
Posted on 13-11-2022 07:53
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Member Location: Posts: 1113 Joined: 25.03.10 |
Yes, a species of repleta-group, but not the proper D. repleta. Difficult to tell more on the base of this picture. |
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| Carnifex |
Posted on 13-11-2022 09:31
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 Member Location: Posts: 1833 Joined: 23.06.15 |
Why would this not be D. repleta? The size of the lateral light patches looks good, and there is a slight darkening visible at the costal break. D. hydei can be excluded, and D. mercatorium should not have such large abdominal lateral patches 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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| Jan Maca |
Posted on 13-11-2022 17:49
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Member Location: Posts: 1113 Joined: 25.03.10 |
Maybe I am wrong, but the darkening at the costal break is barely visible, it may be an artifact of the photo - a similar "darkening" can be seen at the basalmost break of costa. Concerning the lateral pale patches on abdomen, they look more like in D. mercatorum (larger than in D. repleta, not vice versa). Moreover, procoxa does not seem to be dark, contrary to D. repleta. If I should have to give an opinion, D. mercatorum seems me relatively most probable candidate, but it seems me too courrageous statement - on the base of only this picture. |
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| Carnifex |
Posted on 13-11-2022 20:15
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Member Location: Posts: 1833 Joined: 23.06.15 |
Ha! That was my wrong memory - I was certain that repleta was the one with the larger patches. Now I am in line with Jan. Somewhere I read that the abdominal distal stripes in mercatorum are thinner than in repleta 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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| williams |
Posted on 13-11-2022 21:08
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Member Location: Posts: 10 Joined: 31.08.18 |
Here are 2 other photos taken today at the same place for more details. Do you have a better idea of the species is this Drosophila ?  
Edited by williams on 13-11-2022 21:11 |
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| Jan Maca |
Posted on 15-11-2022 06:03
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Member Location: Posts: 1113 Joined: 25.03.10 |
It should be mercatorum or hydei. Male of D. hydei has a row of longer setae on protarsi, but these are not well discernible in pictures. Specimens should be kept; D. mercatorum has not been published from France as yet, though its occurence there is probable. |
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| williams |
Posted on 15-11-2022 10:19
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Member Location: Posts: 10 Joined: 31.08.18 |
Even on the last 2 photos is it not visible enough for identification? so here is another photo where the row of setae is better visible with the light background. 
Edited by williams on 15-11-2022 10:56 |
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| Jan Maca |
Posted on 15-11-2022 11:39
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Member Location: Posts: 1113 Joined: 25.03.10 |
Even the last photo does not seem to me quite deciding. Keep the flies if possible, I may inspect them. |
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but don't see the image in the post.
