Diptera.info :: Identification queries :: Diptera (adults)
 Muscina prolapsa or pascuorum?
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| Volkmar |
Posted on 14-09-2024 16:49
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 Member Location: Arnsberg, D Posts: 260 Joined: 05.08.20 |
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. Volkmar attached the following image:  [65.7Kb] Edited by Volkmar on 15-09-2024 12:18 |
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| eklans |
Posted on 14-09-2024 18:16
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Member Location: Franconia, Germany Posts: 4339 Joined: 11.11.18 |
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. Greetings, Eric |
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| Volkmar |
Posted on 14-09-2024 19:52
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Member Location: Arnsberg, D Posts: 260 Joined: 05.08.20 |
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 Volkmar attached the following image:  [91.62Kb] Edited by Volkmar on 14-09-2024 19:54 |
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| eklans |
Posted on 15-09-2024 09:31
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Member Location: Franconia, Germany Posts: 4339 Joined: 11.11.18 |
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 09:34 Greetings, Eric |
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| Volkmar |
Posted on 15-09-2024 12:24
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Member Location: Arnsberg, D Posts: 260 Joined: 05.08.20 |
Thank you very much Eric for your support !  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 |
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| Nikita Vikhrev |
Posted on 15-09-2024 12:53
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 Member Location: Moscow, Russia Posts: 9510 Joined: 24.05.05 |
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. Nikita Vikhrev - Zool Museum of Moscow University |
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| eklans |
Posted on 15-09-2024 14:59
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Member Location: Franconia, Germany Posts: 4339 Joined: 11.11.18 |
Thanks a lot, Nikita, I wasn't aware of these arguments and they fit except for late autumn! Is this fly M. pascuorum?
Greetings, Eric |
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| Volkmar |
Posted on 15-09-2024 16:53
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Member Location: Arnsberg, D Posts: 260 Joined: 05.08.20 |
This is a picture of the upside, maybe it helps a little bit to identify. Greetings Volkmar Volkmar attached the following image:  [94.92Kb] |
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| eklans |
Posted on 15-09-2024 17:34
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Member Location: Franconia, Germany Posts: 4339 Joined: 11.11.18 |
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... Greetings, Eric |
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| Nikita Vikhrev |
Posted on 15-09-2024 18:31
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Member Location: Moscow, Russia Posts: 9510 Joined: 24.05.05 |
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 Nikita Vikhrev - Zool Museum of Moscow University |
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| eklans |
Posted on 16-09-2024 08:34
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Member Location: Franconia, Germany Posts: 4339 Joined: 11.11.18 |
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 08:36 |
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