Diptera.info :: Identification queries :: Diptera (adults)
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 Pherbellia ID Poland > Ph. silana
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| Maks Syratt |
Posted on 29-10-2023 23:44
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Member Location: Poland Posts: 12 Joined: 11.12.22 |
I would greatly appreciate some help with this sciomyzid found this April in S Poland. I have looked through the Sciomyzidae of Scandinavia, but I can't seem to find a perfect match. Many thanks in advance. Maks Syratt attached the following image:  [152.29Kb] Edited by Maks Syratt on 04-11-2023 13:48 |
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| Maks Syratt |
Posted on 29-10-2023 23:53
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Member Location: Poland Posts: 12 Joined: 11.12.22 |
Image 2
Maks Syratt attached the following image:  [119.73Kb] |
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| Maks Syratt |
Posted on 29-10-2023 23:54
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Member Location: Poland Posts: 12 Joined: 11.12.22 |
Image 3
Maks Syratt attached the following image:  [114.28Kb] |
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| Maks Syratt |
Posted on 29-10-2023 23:54
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Member Location: Poland Posts: 12 Joined: 11.12.22 |
Image 4
Maks Syratt attached the following image:  [101.81Kb] |
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| Maks Syratt |
Posted on 29-10-2023 23:54
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Member Location: Poland Posts: 12 Joined: 11.12.22 |
Image 5
Maks Syratt attached the following image:  [168.4Kb] Edited by Maks Syratt on 29-10-2023 23:55 |
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| Maks Syratt |
Posted on 29-10-2023 23:56
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Member Location: Poland Posts: 12 Joined: 11.12.22 |
Image 6
Maks Syratt attached the following image:  [157.12Kb] |
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| Jan Maca |
Posted on 31-10-2023 10:36
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Member Location: Posts: 1204 Joined: 25.03.10 |
It is Pherbellia silana. Determined by Jiří Preisler., |
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| Maks Syratt |
Posted on 31-10-2023 18:05
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Member Location: Poland Posts: 12 Joined: 11.12.22 |
Thank you very much! |
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| Nikita Vikhrev |
Posted on 31-10-2023 21:27
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 Member Location: Moscow, Russia Posts: 9331 Joined: 24.05.05 |
One more opinion. 1. I'm not at all convinced that Ph. silana exists. 2. Thus, why it is not old and good Fallen's Ph. ventralis ? Nikita Vikhrev - Zool Museum of Moscow University |
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| Jan Maca |
Posted on 01-11-2023 09:42
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Member Location: Posts: 1204 Joined: 25.03.10 |
Jiri Preisler noted: At least according to this paper P. silqana is a good species: Leo Rivosechi (1989) Fragm. entomol., Roma 21 (2): 153-161 Note sugli Sciomyzidae IX. Due nuove specie del genere Pherbellia provenienti dallˇItalia meridionale. |
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| Nikita Vikhrev |
Posted on 01-11-2023 21:59
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Member Location: Moscow, Russia Posts: 9331 Joined: 24.05.05 |
Jan, I agree that according to Rivosechi Ph. silana is a good species. But the shape of genitalia is strongly depended on the angle of view. Thus, it isn't easy to interpret genitalic difference. Nikita Vikhrev attached the following image:  [68Kb] Nikita Vikhrev - Zool Museum of Moscow University |
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| Maks Syratt |
Posted on 02-11-2023 23:06
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Member Location: Poland Posts: 12 Joined: 11.12.22 |
I have managed to find Rozkosny's key to the Pherbellia of the Palaearctic and looked at the terminalia at various angles under the microscope. I did not observe the posterior part of the gonostylus to be bifid, which according to the key should mean this is indeed Ph. silana |
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