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Diptera.info :: Identification queries :: Diptera (adults)
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Billaea kolomyetzi (was 'Unknown dexiine')
Zeegers
#21 Print Post
Posted on 17-12-2009 13:47
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Location: Soest, NL
Posts: 19143
Joined: 21.07.04

First, let me state I'm definitely not the expert on Billaea.
So in some cases I just follow the literature.

B. ringdahli Villeneuve = steini according to Herting (1984).
and www.diptera.org as well

I never have heard of B. subrotundata nor has www.diptera.org nor www.faunaeur.org. So please give a reference so that I might understand its meaning.
 
Jaakko
#22 Print Post
Posted on 17-12-2009 13:58
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Location: Joensuu, Finland
Posts: 479
Joined: 04.08.08

Thanks Theo. B. subrotundata Rd. is in Bei-Bienko (Keys to the ... USSR, vol 2). All I know...

It is in couplet with fortis:
Width of plumosity of arista distinctly greater than width of
3rd segment of ant. Abd. with light gray coating, in male
almost without dark spots, in female with black bands along
post. margin of t 3 and t 4. t, with comb of equal-sized ad, in
female sometimes interrupted by one large br. Body 10 to 12.
South (Ukraine), Caucasus; Turkmenia. Central belt and
south of Western Europe ................ B. subrotundata Rd.
 
Zeegers
#23 Print Post
Posted on 17-12-2009 17:12
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Location: Soest, NL
Posts: 19143
Joined: 21.07.04

Right

There is a note in pencil in my handwriting in my copy that

subrotundata = adelpha



don't know the source of this equality, at the moment


Theo
 
Jaakko
#24 Print Post
Posted on 18-12-2009 12:34
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Location: Joensuu, Finland
Posts: 479
Joined: 04.08.08

That helps, thanks!
 
Zeegers
#25 Print Post
Posted on 18-12-2009 16:54
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Location: Soest, NL
Posts: 19143
Joined: 21.07.04

thanks guys !

I will have to rewrite my key.
There was a reason why it was unpublished !


Theo
 
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