Thread subject: Diptera.info :: Fly from Western Norway
Posted by Bjarte on 20-12-2018 22:20
#1
I found two flies of this specie in the moss in mossy seaside meadow on the island Stord in Hordaland 19th of December.
They were between 3,0 og 3,5 mm.
Is this species known to any of you?
Bjarte Aadland
Edited by Bjarte on 20-12-2018 22:45
Posted by Mark-uk on 20-12-2018 23:01
#2
Sphaeroceridae
Posted by Bjarte on 20-12-2018 23:14
#3
Thank you very much!
(And here dorsally)
Bj
Edited by Bjarte on 20-12-2018 23:27
Posted by Bjarte on 20-12-2018 23:29
#4
And the head..
BJ
Posted by John Carr on 21-12-2018 00:20
#5
Subfamily Copromyzinae
Posted by daveb21 on 21-12-2018 09:26
#6
Crumomyia .sp
Posted by Bjarte on 21-12-2018 09:54
#7
Thank you!!
Bjarte
Posted by Bjarte on 21-12-2018 11:44
#8
Are there any key for distinguishing the actual species of Crumomyia?
(Most common in Norway is C.nitida,C.roserii,C.fimetaria and C.setitibialis).
Bjarte
Posted by Mark-uk on 21-12-2018 15:07
#9
I was thinking
Copromyza (stercoraria?)
In the first photo it looks like there could be 2 rows of postocular setae?
Do you have a close up of the head from above?
Posted by daveb21 on 21-12-2018 15:55
#10
Agreed 2 rows, which means it can't be Copromyza as that has one row.
Systematics of Crumomyia Macquart and Alloborborus Duda
(Diptera: Sphaeroceridae)
ALLEN L. NORRBOM and KE CHUNG KIM The Frost Entomological Museum,
Department of Entomology, The Pennsylvania State University
Posted by Bjarte on 21-12-2018 16:10
#11
I can try a closeup picture of the head from above.
Bj
Posted by Bjarte on 21-12-2018 20:02
#12
Closeup head from above.
Bj
Posted by Bjarte on 21-12-2018 20:03
#13
The beautiful wing too.
Bj
Posted by Mark-uk on 22-12-2018 13:39
#14
100%
Copromyza
the 3rd section of vain M looks longer than the 4th, so should be
Copromyza stercoraria
Posted by Ectemnius on 22-12-2018 14:56
#15
Hi,
I wouldn't be so sure of the 100% Copromyza...
Copromyza lacks the heavily infusctaed crossveins in the wing. Has a bronze sheen on the body. Has shorter bristles on the thorax.
Since no postocular setae are clearly visible in the photo's or the surstylus I'd stick to Copromyzinae sp.
Kind regards,
Ectemnius