Thread subject: Diptera.info :: Asilidae spec. -> Machimus spec.

Posted by Josef Buecker on 05-01-2011 14:04
#1
Hello Forum,
here are two pictures I took on July 20th 2010 in Hagen, NRW, Geermany, in the near of an extended beech forest, 150msm. Can the Asilidae spec. be determined?
Best regards, Josef
Edited by Josef Buecker on 11-01-2011 13:22

Posted by Josef Buecker on 05-01-2011 14:05
#2
The same fly

Posted by Quaedfliegh on 08-01-2011 19:56
#3
I would think Machimus spec.

Posted by Josef Buecker on 10-01-2011 14:02
#4
Thank you Reinoud.
Best regards, Josef

Posted by Quaedfliegh on 10-01-2011 22:29
#5
One of the important means to identify the fly is the chaetotaxy, or the arrangement of bristles on the animal. On your pictures important parts are not good visible. But another German familiar with the species in your area might have a clue just by the colouring of the legs for instance... In my area in the Netherlands i would think of M. arthriticus but for that species the colour of the bristles on back and legs is wrong.

Posted by Josef Buecker on 11-01-2011 13:37
#6
For Northrine-Westfalia there are known three Machimus species in all: M. arthriticus, M. cyanopus and M. rusticus, as found on www.natur-in-nrw.de
Greetings, Josef


Posted by Quaedfliegh on 12-01-2011 22:09
#7
I will give it a try Cool But when we mention Machimus we should also keep in mind similar genusses like Tolmerus and Neoepitriptus. The so called Machimus group. Could you give an indication of its size?

Posted by Josef Buecker on 12-01-2011 22:57
#8
Here it is. For NRW there are:
Neoepitriptus setosulus
Tolmerus atricapillus
Tolmerus cingulatus
Tolmerus cowini
and the three Machimus spec. as mentionend.
Best regards, Josef