Diptera.info :: Identification queries :: Diptera (adults)
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 Tachinidae (1), July 10, 2007
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| Dmitry Gavryushin |
Posted on 11-07-2007 09:22
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 Member Location: Moscow region, Russia Posts: 3331 Joined: 17.10.05 |
Yesterday I've collected a lot of Tachinidae (mostly on leaves of young growth of Salix/Betula/P. tremula, a power transmission line clearing). I decided to post only the flies that look different than ones I met before. That one was caught on leaves of a young P. tremula. Size 8 mm. Restless and quick flier. Dmitry Gavryushin attached the following image:  [182.04Kb] |
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| Dmitry Gavryushin |
Posted on 11-07-2007 09:23
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Member Location: Moscow region, Russia Posts: 3331 Joined: 17.10.05 |
The head.
Dmitry Gavryushin attached the following image:  [98.79Kb] |
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| Dmitry Gavryushin |
Posted on 11-07-2007 09:24
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Member Location: Moscow region, Russia Posts: 3331 Joined: 17.10.05 |
A dorsal view.
Dmitry Gavryushin attached the following image:  [139.36Kb] |
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| ChrisR |
Posted on 11-07-2007 12:13
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 Super Administrator Location: Reading, England Posts: 7703 Joined: 12.07.04 |
This is a really interesting fly - like nothing I have ever seen here. The eyes are huge but it obviously isn't Carcelia; it has tiny antennae; most veins are hairy but it isn't an Actia; and the depression on T1+2 doesn't reach the margin. I have run it through the Palaearctic genera key (software version) and it comes out to Parhamaxia (Mesnil) - a new one for me. The Palaearctic Manual by Hans-Peter Tschorsnig & Vera A. Richter states: 3 spp.; South of Russian Far East; Mesnil 1944 - 1975: 1240 - 1242, Richter 1991: 234 - 236 Those references being: Mesnil, L. P. 1944 - 1975. Larvaevorinae (Tachininae). In E. Lindner (ed.): Die Fliegen der pal?arktischen Region 64g: 1435 pp. Stuttgart. Richter, V. A. 1991. A new tribe, new and little known species of the tachinid flies (Diptera, Tachinidae) of the fauna of the USSR. Ent. Obozr. 70: 229 - 246. So, with a bit of paper-searching you should be able to come up with a species-level identification!  |
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| Dmitry Gavryushin |
Posted on 11-07-2007 12:18
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Member Location: Moscow region, Russia Posts: 3331 Joined: 17.10.05 |
Many thanks Chris - so I was right, it's pretty interesting - south of Far East, strange enough... |
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| ChrisR |
Posted on 11-07-2007 12:20
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Super Administrator Location: Reading, England Posts: 7703 Joined: 12.07.04 |
Yes, I am not 100% confident and I'd appreciate Theo's experience here - but it is certainly a very interesting fly. I will pass the link to this thread to Peter Tschorsnig and see if he can comment on it too |
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| Dmitry Gavryushin |
Posted on 11-07-2007 12:22
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Member Location: Moscow region, Russia Posts: 3331 Joined: 17.10.05 |
OK great - remember I've got the specimen and will re-visit the place - I also have ventral views of abdomen - do you need these? |
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| ChrisR |
Posted on 11-07-2007 12:30
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Super Administrator Location: Reading, England Posts: 7703 Joined: 12.07.04 |
I don't think so - the photos you have posted of this fly seem adequate for our purposes ... it is just so new to me and outside the quoted range of Parhamaxia so I am keen to get an expert opinion, just in case it is a bad ID I certainly wouldn't mind a few specimens though, if you find there are 100s more 
Edited by ChrisR on 11-07-2007 12:31 |
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| Tschorsnig |
Posted on 11-07-2007 14:49
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Member Location: Posts: 3 Joined: 17.03.05 |
It is a female of Halidaya aurea. Best regards Peter |
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| Dmitry Gavryushin |
Posted on 11-07-2007 14:52
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Member Location: Moscow region, Russia Posts: 3331 Joined: 17.10.05 |
Thank you very much Peter. |
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