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Diptera.info :: Identification queries :: Diptera (adults)
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Dinera grisescens?
Sundew
#1 Print Post
Posted on 14-02-2009 01:08
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Location: Berlin and Baden-Württemberg, Germany
Posts: 3939
Joined: 28.07.07

Hi,
I thought I knew Dinera grisescens meanwhile, but in this case I am uncertain, as the fly has rather dark legs, and my former Dineras had brown ones. However, the arista is feathery. How variable is the leg colour?
The pics were taken in Berlin in last June.
Thanks, Sundew
Sundew attached the following image:


[166.9Kb]
 
Zeegers
#2 Print Post
Posted on 14-02-2009 18:05
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Location: Soest, NL
Posts: 19299
Joined: 21.07.04

The colouration of the femora is, indeed, very variable in Dinera grisescens. The tibiae are always reddish.
This is tricky, since a species described from Kyrgyzstan should have black femora (and a long rostrum). So this feature cannot hold.

SO, indeed, Dinera grisescens.

A female, whereas most of your material is likely to be male.


Theo
 
Sundew
#3 Print Post
Posted on 14-02-2009 18:48
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Location: Berlin and Baden-Württemberg, Germany
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You are really familiar with my material, dear Theo! But the prosperous Berlin population has females, too, which is thus proven. Many thanks for the explanations!
 
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