Diptera.info :: Identification queries :: Diptera (adults)
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 Tachinidae
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| Nikita Vikhrev |
Posted on 25-08-2024 16:21
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 Member Location: Moscow, Russia Posts: 9293 Joined: 24.05.05 |
Far East, 44.85N 131.7E? 15/05/2024 Ex pupa of Carabid Pterostichus orientalis Nikita Vikhrev attached the following image:  [164.04Kb] Nikita Vikhrev - Zool Museum of Moscow University |
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| Nikita Vikhrev |
Posted on 25-08-2024 16:22
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Member Location: Moscow, Russia Posts: 9293 Joined: 24.05.05 |
dorsal view
Nikita Vikhrev attached the following image:  [188.26Kb] Nikita Vikhrev - Zool Museum of Moscow University |
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| Zeegers |
Posted on 26-08-2024 12:44
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Member Location: Soest, NL Posts: 18705 Joined: 21.07.04 |
Hi Nikita, this one is very interesting. Carabidae are very rare as hosts for Tachinidae, only found in Dexiini, Dufouriini and Blondeliini. It looks like the latter. Do you know whether the host was adult or larva ? I need to work on this. Could very well be a spec.nov. Theo |
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| Nikita Vikhrev |
Posted on 26-08-2024 13:02
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Member Location: Moscow, Russia Posts: 9293 Joined: 24.05.05 |
Hi Theo. 1. Thank you. 2. It was "ex pupa" Nikita Vikhrev attached the following image:  [96.73Kb] Nikita Vikhrev - Zool Museum of Moscow University |
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| John Carr |
Posted on 26-08-2024 16:24
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 Member Location: Massachusetts, USA Posts: 10055 Joined: 22.10.10 |
Some references on puparia: Greene, C. T. 1922. An illustrated synopsis of the puparia of 100 muscoid flies (Diptera). Proceedings of the United States National Museum 60 (Art. 10) [= No. 2405]: 1–39 + 20 pls. Ziegler, J. 1998. Die Morphologie der Puparien und der larvalen Cephalopharyngealskelette der Raupenfliegen (Diptera, Tachinidae) und ihre phylogenetische Bewertung. Studia dipterologica. Supplement 3: 244 pp. I have only seen the first. A catalog will be needed to translate Greene's genera into modern genera. |
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| Zeegers |
Posted on 26-08-2024 19:34
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Member Location: Soest, NL Posts: 18705 Joined: 21.07.04 |
It is very confusing. The abdominal pattern is reminiscent of oriental Dexia-species, but the habitus is totally different. As for the host: I think it is pretty difficult to recognize Pterostichus-species in larval state. So if this record is reliable, I think it is very likely it was an adult beetle. Theo |
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| Nikita Vikhrev |
Posted on 26-08-2024 22:58
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Member Location: Moscow, Russia Posts: 9293 Joined: 24.05.05 |
Kirill Vladimirovich Makarov is a prominent specialist in the systematics and morphology of ground beetle larvae of the world fauna. His main area of research interests is the development of the methodological foundations of larval hetotaxy and the creation of a family system based on the characters of preimaginal stages. https://carabidae.org/user/Kirill+Makarov I asked him once again about this case. 1. No doubts that Pterostichus orientalis 2. No doubt that from pupa. Nikita Vikhrev - Zool Museum of Moscow University |
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| Nikita Vikhrev |
Posted on 26-08-2024 22:59
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Member Location: Moscow, Russia Posts: 9293 Joined: 24.05.05 |
Kirill's explanation: I only had one pair of Pterostichus orientalis. The male died and a puparium appeared in the cage; the female is still alive and lays eggs by inertia. The substrate in the cage is coconut crumbs, I am very careful about its sterility (since I do not need "alien" larvae at all). Is the origin of the fly obvious? Nikita Vikhrev - Zool Museum of Moscow University |
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| Zeegers |
Posted on 27-08-2024 11:38
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Member Location: Soest, NL Posts: 18705 Joined: 21.07.04 |
Thanks for checking with the source, Nikita. I will see if I can consult experts on the Oriental fauna. I'm pretty sure it is a Blondeliini, but there is no obvious match at generic level. Theo |
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| Nikita Vikhrev |
Posted on 27-08-2024 22:28
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Member Location: Moscow, Russia Posts: 9293 Joined: 24.05.05 |
Theo, do you want specimen?
Nikita Vikhrev - Zool Museum of Moscow University |
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| Zeegers |
Posted on 28-08-2024 11:03
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Member Location: Soest, NL Posts: 18705 Joined: 21.07.04 |
It would be great to be able to study the specimen "live". If you have options to send it by post, that would be excellent. But please wait for one week, since I will be in Prague next week. Theo |
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