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Diptera.info :: Identification queries :: Diptera (adults)
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Drosophila immigrans?
RE Niks
#1 Print Post
Posted on 09-01-2024 11:42
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I found this Drosophila in my compost bin, in the Netherlands. It looked darker than the also present D. immigrans and also lacked the darkened cross-veins and clouded tips of the veins. However, it did have the typical row of short spines at the apical half of the innerside of the first femur. Which species can it be?
RE Niks attached the following image:


[175.88Kb]
 
RE Niks
#2 Print Post
Posted on 09-01-2024 11:43
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In this picture the row of short spines is visible at the front femur
RE Niks attached the following image:


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RE Niks
#3 Print Post
Posted on 09-01-2024 11:44
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and here again the absence of obvious darkening of the cross veins and dark thorax and pattern on abdomen
RE Niks attached the following image:


[181.07Kb]
Edited by RE Niks on 09-01-2024 11:45
 
Jan Maca
#4 Print Post
Posted on 09-01-2024 13:25
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The flieĊ› body apparently started to decompose, which might be the reason of darker coloration. A very little darker hue of wing membrane around crossveins and at tips of longitudinals can be also seen (or felt)- see the first picture.
Though somewhat aberrant, I think it is D. immigrans.
 
Paul Beuk
#5 Print Post
Posted on 10-01-2024 10:15
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Fore femur also has the series of small teeth along the anteroventral margin (second image), so no doubt this is D. immigrans.
Paul

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