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Vladimir Davydov
#1 Print Post
Posted on 02-11-2007 15:54
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Location: Russia,St.-Petersburg
Posts: 324
Joined: 01.08.07


Chalcosyrphus femoratus (Linnaeus, 1758)
= C. curvipes(Loew,1854)
Chalcosyrphus valgus (Gmelin, 1790)
= C. femoratus auct. nec. Linnaeus, 1758

How to understand : auct. nec.?
#2 Print Post
Posted on 02-11-2007 18:09
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Location: Helsinki, Finland
Posts: 1999
Joined: 02.09.04

auct. nec. = name was used for wrong species by several authors.

In this case I guess Loew erroneously though Linnaeus' femoratus was identical with valgus and thus he described curvipes as a new species. Other authors followed Loew's intepretation, until someone checked the types and realised that the name femoratus Linnaeus was used for the wrong species.
Vladimir Davydov
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Posted on 02-11-2007 21:41
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Location: Russia,St.-Petersburg
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Thanks Kahis Grin . The truth I all the same have not understood , it C.femoratus or C.vlgus :
Edited by Vladimir Davydov on 02-11-2007 22:02
Paul Beuk
#4 Print Post
Posted on 02-11-2007 22:07
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Location: Netherlands
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Joined: 11.05.04

Glossary: auct. and nec.

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Paul Beuk on
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28.09.20 07:58
Use “new thread” buttom right below

26.09.20 17:56
How do I post ? Smile

28.08.20 12:57
That woul be up to me, as an administrator. Smile

27.08.20 12:30
I want to move a thread to the Syphridae subforum - how can I do this?

24.08.20 13:17
How do I post?

08.08.20 14:31
ah ok ! I didn't knew oops !

07.08.20 08:12
They are already in Poland !

04.08.20 21:02
Today a Chrysomya albiceps found in North of France ! I was quite surprised !

02.08.20 10:10
Ok... lower case naming for images.. understood,Lothar

02.08.20 10:02
I uploadad a jpg, but it is not visible in the thread...Lothar

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