Diptera.info :: Identification queries :: Diptera (adults)
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 Musca cf. osiris? -> Muscidae sp.
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| karl7 |
Posted on 08-12-2025 16:13
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Member Location: Posts: 555 Joined: 09.02.25 |
A lovely evening. One Question please. Could this be Musca osiris? Unfortunately I only have this one photo. I would be very grateful for an answer. Finding data: Austria, Lower Austria, Tattendorf, 220m, flowering meadow next to Auwald, July 31, 2025, size approx. 6-7mm Kind regards Karl. karl7 attached the following image:  [153.91Kb] Edited by karl7 on 15-12-2025 16:52 |
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| karl7 |
Posted on 13-12-2025 09:27
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Member Location: Posts: 555 Joined: 09.02.25 |
Have a nice Day. I'd like to ask again if anyone might have any ideas about my Diptera species. I would be very grateful for a reply. Kind regards Karl. |
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| eklans |
Posted on 13-12-2025 09:47
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Member Location: Franconia, Germany Posts: 4487 Joined: 11.11.18 |
I think it's not a Musca sp..
Greetings, Eric |
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| karl7 |
Posted on 14-12-2025 10:54
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Member Location: Posts: 555 Joined: 09.02.25 |
Hello Eric thank you for the Answer. Maybe I'll find them again next year and be able to photograph them better. The family Muscidae should be correct, right? Kind regards Karl. |
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| eklans |
Posted on 14-12-2025 11:01
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Member Location: Franconia, Germany Posts: 4487 Joined: 11.11.18 |
Muscidae is correct, but the cell r4+5 is less narrowed than in Musca. Also, the colour of the thorax looks metallic green like Eudasyphora. Let's try it again next year.
Greetings, Eric |
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| Juergen Peters |
Posted on 14-12-2025 18:02
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 Member Location: northwest Germany Posts: 14390 Joined: 11.09.04 |
Hello Eric, Musca osiris was originally my idea (in other forum), after I found no similar fly in the gallery or elsewhere on the net. Mostly the orange triangle markings at the abdomen excluded all flies like Eudasyphora or similar. I don't know, what else it could be.  Please take a look at this picture: https://www.inatu...sca-osiris (weak bend in M vein) and this one: https://www.inatu...sca-osiris (bluish thorax gloss) Best regards, Jürgen -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-= Juergen Peters Borgholzhausen, Germany WWW: http://insektenfo... -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-= |
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| eklans |
Posted on 15-12-2025 08:59
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Member Location: Franconia, Germany Posts: 4487 Joined: 11.11.18 |
Hello Jürgen, thanks for the info. I understand why you chose M. osiris, but this single image is not enough to be sure (eyes should be densley haired, anterior spiracle white...)
Greetings, Eric |
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