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Diptera.info :: Identification queries :: Diptera (adults)
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One species of Tachnidae or variation of one species?
Marcel
#1 Print Post
Posted on 06-05-2007 19:59
Member

Location: Alphen aan den Rijn, NL
Posts: 21
Joined: 12.08.06

I recently found these two Tachinidae on two sequential days (april 30 and the first of may) in Stokkum (Achterhoek, the Netherlands). Ik think these flies belong to the genus Gymnosoma. Are these belonging to the same species of two different species (which)? Is it possible to tell from these pictures?
Regards
Marcel
Marcel attached the following image:


[129.72Kb]
Edited by Marcel on 06-05-2007 20:04
 
Marcel
#2 Print Post
Posted on 06-05-2007 20:04
Member

Location: Alphen aan den Rijn, NL
Posts: 21
Joined: 12.08.06

species 2
Marcel attached the following image:


[137.94Kb]
 
Zeegers
#3 Print Post
Posted on 06-05-2007 20:15
Member

Location: Soest, NL
Posts: 19208
Joined: 21.07.04

Hi Marcel

Gymnosoma indeed, both females, and if from Stokkum, they must belong to nudifrons. However, from the pic this is invisible.


Theo
 
Zeegers
#4 Print Post
Posted on 06-05-2007 20:22
Member

Location: Soest, NL
Posts: 19208
Joined: 21.07.04

Oh, and the variation:
the first one is male, the second female

Theo
 
Marcel
#5 Print Post
Posted on 06-05-2007 20:52
Member

Location: Alphen aan den Rijn, NL
Posts: 21
Joined: 12.08.06

Thanx for the answer!
MarcelSmile
 
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