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Diptera.info :: Identification queries :: Diptera (adults)
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Besseria dimidiata or reflexa
picotverd
#1 Print Post
Posted on 20-07-2015 09:33
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 I cannot find at the gallery... last weekend about 1300 mt, prepyrenees...
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Edited by picotverd on 20-07-2015 11:37
 
picotverd
#2 Print Post
Posted on 20-07-2015 09:33
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 another view...
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Zeegers
#3 Print Post
Posted on 20-07-2015 10:56
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 Besseria dimidiata or reflexa

Those are small, indeed.

Theo
 
picotverd
#4 Print Post
Posted on 20-07-2015 12:16
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 Thans Teo.
I add ampliations so may be you can go further...
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picotverd
#5 Print Post
Posted on 20-07-2015 12:17
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 mid tibia
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Edited by picotverd on 20-07-2015 12:19
 
picotverd
#6 Print Post
Posted on 20-07-2015 12:20
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 head frontal
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picotverd
#7 Print Post
Posted on 20-07-2015 12:20
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 last
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piros
#8 Print Post
Posted on 20-07-2015 14:30
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Location: Szeged, Hungary
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 I don't want to pretend to know Besseria Wink, but in the penultimate picture genae seem to be silver dusted all the way down to the lower edges, and the base color of the frontal stripe is yellow, suggesting B. dimidiata, according to the key copied here:
http://www.diptera.info/forum/viewthread.php?thread_id=23325

Greetings,
Henrik
Edited by piros on 20-07-2015 14:31
 
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Some flies preserved in ethanol and then pinned often get the eyes sunken, how can this be avoided? Best answer: I usually keep alcohol-collected material in alcohol

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