Thread subject: Diptera.info :: Oxycera nigricornis
Posted by helge on 13-01-2021 13:05
#1
Austria, June.
Further ID possible?
Thank you for your help.
Helge
Edited by helge on 14-01-2021 16:07
Posted by eklans on 13-01-2021 14:48
#2
Hi Helge, I think it's a male Oxycera nigricornis (though I'm slightly confused by the yellow dots on the back).
Greetings, Eric
Edited by eklans on 13-01-2021 14:52
Posted by Zeegers on 14-01-2021 08:34
#3
Interesting observation by Eric. These yellow spots shouldn't be there, according to Rozkosny (1982).
"Mesonotum medially black, at most with small yellow spots on notopleura, transverse suture and postalar calli'
That said, I totally agree with male nigricornis.
@Helge, it would be helpful if you could mention altitude, especially in those cases in which the altitude is above 1000 m. Thanks
Theo
Posted by helge on 14-01-2021 16:06
#4
Ok, thank you both!
I also wondered about these spots.
Photo was taken by a friend - unfortunately I dont know the altitude, but I will ask him.
Helge
Edited by helge on 14-01-2021 16:08
Posted by Zeegers on 14-01-2021 17:19
#5
Well, in this case it is clearly no pseudoamoena, so altitude is no longer necessary.
Theo
Posted by helge on 15-01-2021 10:57
#6
Hi Theo,
it was found at just under 1000 metres above sea level (940m a.s.l.).
Why is it no longer important?
Helge
Posted by Zeegers on 15-01-2021 12:37
#7
It has become clear, it is not a strict alpine species.
In general, especially in aberrant specimens, having all information available like locality, date and altitude might help. If for instance, the altitude is 200 m. asl., I can excllude Glaucops hirsutus for sure.
If you don’t like altitude, your only option is to migrate to the Netherlands :)
Theo
Posted by helge on 15-01-2021 12:52
#8
Thank you Theo!
hehe :D No, I will not move away from my beloved Alps (;