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Diptera.info :: Identification queries :: Diptera (adults)
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Dolichopodid courtship - Hercostomus?
Sundew
#1 Print Post
Posted on 18-09-2011 16:01
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Location: Berlin and Baden-Württemberg, Germany
Posts: 3911
Joined: 28.07.07

Hi,
When I saw the nice pic of the courtship of Hercostomus germanus in the gallery I remembered that I had seen a similar funny behaviour in Tyrol, Austria (Niederthai, 1.650 m) in August, 2010. The male was up in the air in close vicinity of another male, however. A female was also present. Is this behaviour typical for Hercostomus germanus and thus an ID help, or do my flies belong to another taxon?
Thanks for help, Sundew

Here are the males:
Sundew attached the following image:


[165.62Kb]
Edited by Sundew on 19-09-2011 12:30
 
Sundew
#2 Print Post
Posted on 18-09-2011 16:03
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This is the female:
Sundew attached the following image:


[137.79Kb]
 
Igor Grichanov
#3 Print Post
Posted on 19-09-2011 08:42
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It is Hercostomus and I think many species of the genus have the same nuptial behaviour. It also loks like H. germanus.
Igor Grichanov
 
https://doli.vizrppnsuppl.com/
Sundew
#4 Print Post
Posted on 19-09-2011 12:32
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Many thanks, Igor - so Hercostomus cf. germanus should be ok.
 
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