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Diptera.info :: Family forums :: Syrphidae
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Eupeodes goeldlini?
Jef Hendrix
#1 Print Post
Posted on 09-04-2012 16:41
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Location: Turnhout, Belgium
Posts: 60
Joined: 17.06.11

 I caught this Eupeodes goeldlini/bucculatus in Turnhout (Belgium) on 3/04/2012.

The basal cells are completely haired with microtrichia, which is a distinguishing feature for E. goeldlini.
This key (http://www.prodin...720590.pdf) sais they can be distinguished by the shape of the black spots on the tergites.

But I have read that the genitalia are the only relaiable way to distinguish this species.
Can I be sure that this is a goeldini or do I have to examine the genitalia?
Jef Hendrix attached the following image:


[159.94Kb]
Edited by Jef Hendrix on 09-04-2012 16:46
 
Jef Hendrix
#2 Print Post
Posted on 09-04-2012 16:43
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Location: Turnhout, Belgium
Posts: 60
Joined: 17.06.11

 2
Jef Hendrix attached the following image:


[172.96Kb]
Edited by Jef Hendrix on 09-04-2012 16:44
 
Jef Hendrix
#3 Print Post
Posted on 09-04-2012 16:44
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Location: Turnhout, Belgium
Posts: 60
Joined: 17.06.11

 3
Jef Hendrix attached the following image:


[125.36Kb]
Edited by Jef Hendrix on 09-04-2012 16:45
 
Gerard Pennards
#4 Print Post
Posted on 16-04-2012 21:39
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Location: Amersfoort
Posts: 1914
Joined: 07.06.04

 Good question, but unfortunately no easy answer.
Eupeodes is notoriously difficult, and it is sometimes not possble to put a name on specimens, even with the existing keys.
Greetings
Greetings,
Gerard Pennards
 
Jef Hendrix
#5 Print Post
Posted on 17-04-2012 15:27
Member

Location: Turnhout, Belgium
Posts: 60
Joined: 17.06.11

 Thanks for the answer Gerard.
Are there any good keys for the genitalia of Eupeodes?
 
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