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Diptera.info :: Identification queries :: Diptera (adults)
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Difference between Borborillus uncinatus and B vitripennis?
RE Niks
#1 Print Post
Posted on 23-02-2024 11:36
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Having found a well domunented thread https://diptera.info/forum/viewthread.php?thread_id=64178&rowstart=20 about a confirmed Borborillus uncinatus, I wondered how to exclude B. vitripennis? What is the difference between the two? I found a candidate B. uncinatus, but wish to positively exclude B. vitripennis.
Edited by RE Niks on 23-02-2024 12:34
 
Walther Gritsch
#2 Print Post
Posted on 24-02-2024 14:22
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In vitripennis the 3rd section of M is distinctly longer than the 4th section. In uncinatus they are about equal in length. If you have a male the genitalia of uncinatus are very distinct with prominent hook like surstyli.
Walther
 
RE Niks
#3 Print Post
Posted on 25-02-2024 14:22
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Thanks, Walther. Mine is unfortunatly a female. The third section of M is indeed longer (1,3x) than the fourth section in my fly, but in the fly at https://diptera.info/forum/viewthread.php?thread_id=64178&rowstart=20 they are indeed almost equal length, and therefore B uncinatus.
Edited by RE Niks on 25-02-2024 14:32
 
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