Thread subject: Diptera.info :: Muscina prolapsa or pascuorum?
Posted by Volkmar on 14-09-2024 17:49
#1
Found today sucking at apple windfall. Is it a Calliphora spec. ?
Best regards
Volkmar
Data: Germany, North Rhine-Westphalia, D-59519 Büecke, 90 m, 14.9.2024.
Edited by Volkmar on 15-09-2024 13:18
Posted by eklans on 14-09-2024 19:16
#2
It's a Muscina (bow-shaped vein M1, and tip of scutellum red).
The palps are yellow/red and it seems, that there are no postsutural stripe on the mesoscutum:
If we could see the calypters and the abdomen we could be sure it's
Muscina pascuorum!.
Otherwise it's the more common
M. prolapsa.
Posted by Volkmar on 14-09-2024 20:52
#3
Thank you very much Eric. Here is a photo of the calypters and a part of the abdomen, I hope it fits for determination.
Greetings
Volkmar
Edited by Volkmar on 14-09-2024 20:54
Posted by eklans on 15-09-2024 10:31
#4
Sorry for beinig insistent, Volkmar: we should have a more dorsal view of the abdomen - best from behind and/or a view of the calypter (the bigger, lower one) adjoining the margin of scutellum. I cannot hardly compare as I did not find
M. pascuorum yet.
I would change the title of thread to "Muscina prolapsa or pascuorum?"
Edited by eklans on 15-09-2024 10:34
Posted by Volkmar on 15-09-2024 13:24
#5
Thank you very much Eric for your support ! |t
Unfortunately I don't have suchlike pictures, I think, I archive it under Muscina spec. (prolapsa or pascuorum).
Meanwhile I changed the title, thanks for your clue.
Best regards from Arnsberg, Volkmar
Posted by Nikita Vikhrev on 15-09-2024 13:53
#6
Eric, there are some more arguments for
pascuorum:
1. Distinct bluish tint of body.
2. Late autumn - typical season for pascuorum.
3. It really seems of large (Calliphora) size.
Posted by eklans on 15-09-2024 15:59
#7
Thanks a lot, Nikita, I wasn't aware of these arguments and they fit except for late autumn! Is this fly
M. pascuorum?
Posted by Volkmar on 15-09-2024 17:53
#8
This is a picture of the upside, maybe it helps a little bit to identify.
Greetings
Volkmar
Posted by eklans on 15-09-2024 18:34
#9
That looks very much like this male:
https://www.dipte...to_id=9684! But my knowledge is too limited (and I haven't found one yet among my 200+ photos of Muscina) to say yes.
Let's wait for Nikita...
Posted by Nikita Vikhrev on 15-09-2024 19:31
#10
1. Mid-september is autumn ecologically!
2. I did my best. See here:
https://ia802209.us.archive.org/28/items/amur-23-1-vikhrev-esin/Amur23-1-Vikhrev_Esin.pdf
Posted by eklans on 16-09-2024 09:34
#11
2. I did my best.
Yes, you did - and it's very interesting! Time to check my Muscina-fotos of the last years...
Thanks a lot!
Best regards
Eric
Edited by eklans on 16-09-2024 09:36