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 A bumblebee mimicking tachinid, Tachina?-->Yes,subgn Servilia
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| guplox |
Posted on 23-02-2022 04:36
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Member Location: east China (Zhejiang) Posts: 517 Joined: 09.02.18 |
Picture taken in early March, east China (Zhejiang province). This tachinid fly has fiery-red hair on abdomen, scutellum and legs and looks somewhat like Tachina ardens in our gallery (https://diptera.i...o_id=11471) but some details are noticeably different, including the thorax coloration. Could it still belong to the same genus, that is, Tachina? Many thanks in advance.
guplox attached the following image:  [57.98Kb] Edited by guplox on 23-02-2022 08:34 |
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| guplox |
Posted on 23-02-2022 04:37
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Member Location: east China (Zhejiang) Posts: 517 Joined: 09.02.18 |
A latero-ventral view
guplox attached the following image:  [53.47Kb] |
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| Zeegers |
Posted on 23-02-2022 07:55
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Member Location: Soest, NL Posts: 18999 Joined: 21.07.04 |
Yes, this is a Tachina subg. Servillia. There are many species in the eastern Palaearctic. Theo |
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| guplox |
Posted on 23-02-2022 08:07
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Member Location: east China (Zhejiang) Posts: 517 Joined: 09.02.18 |
Wonderful! Thank you Theo very much for the confirmation and the sub-genus ID! I'll see what I can find in this Servilia direction. |
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| John Carr |
Posted on 27-01-2024 19:40
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 Super Administrator Location: Massachusetts, USA Posts: 10416 Joined: 22.10.10 |
Good news, the key in Flies of China says there are only three species of Tachina (Servillia) with dark calypters, and they have a dark body with reddish hair on the abdomen like your fly. Bad news, your fly is not any of those three species, all of which are found far to the west and also differ in some color or structural character. The illustration of Tachina bombidiforma (Chao, 1987) shows proclinate orbitals, and although the sex is not specified it is paired with an illustration of male genitalia. T. furcipennis (Chao & Zhou, 1987) has light hair and pollen on the head. T. haemorrhoa (Mesnil, 1953) has a broader frons. If general appearance is reliable you have a cousin to these species. General appearance is not always reliable in Tachinidae. Edited by John Carr on 27-01-2024 19:41 |
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| John Carr |
Posted on 01-12-2024 01:21
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Super Administrator Location: Massachusetts, USA Posts: 10416 Joined: 22.10.10 |
There is some more information about the Tachina of China in Dong, Ruiqing et al. 2024. Three new species and two newly recorded species of Tachininae from Tibet, China (Arthropoda, Insecta, Diptera, Tachinidae). ZooKeys 1191: 215–235 (2024) https://doi.org/1...191.105549 I believe the authors use Tachina in the Canadian sense, where Servillia is a synonym of Tachina (Tachina) and Nowickia and the American Rhachogaster are also subgenera of Tachina. |
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| guplox |
Posted on 01-12-2024 12:34
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Member Location: east China (Zhejiang) Posts: 517 Joined: 09.02.18 |
Ah, thank you so much for keeping me informed of the new information you have!  I was wondering if this is actually something undescribed. The thing is, previously I tried to find the answer in a 2009 Chinese-language thesis titled "Systematic Study of the Genus Tachina Meigen from China". Although there was a key to the species in the genus in the thesis, I was unable to find the one single species that has all the details of my observation. But if "general appearance is not always reliable in Tachinidae", maybe the answer is still there but it somehow escaped my notice.  |
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