Diptera.info :: Identification queries :: Diptera (adults)
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 Tachinidae (now identified as Bithia spreta)
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| Malgo |
Posted on 22-11-2020 16:43
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Member Location: Posts: 18 Joined: 23.04.20 |
This fly was about 8mm and seen on Martin Down, a chalk grassland site in the south of England. The bristly abdomen suggests a Tachinid but vein M curves gently rather than bending sharply. Any help in identifying it would be appreciated.
Malgo attached the following image:  [146.53Kb] Edited by Malgo on 22-11-2020 17:34 |
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| Malgo |
Posted on 22-11-2020 16:45
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Member Location: Posts: 18 Joined: 23.04.20 |
Adding photo
Malgo attached the following image:  [143.72Kb] Edited by Malgo on 22-11-2020 16:52 |
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| Malgo |
Posted on 22-11-2020 16:48
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Member Location: Posts: 18 Joined: 23.04.20 |
Adding photo
Malgo attached the following image:  [131.2Kb] Edited by Malgo on 22-11-2020 16:52 |
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| Malgo |
Posted on 22-11-2020 16:53
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Member Location: Posts: 18 Joined: 23.04.20 |
Fourth photo
Malgo attached the following image:  [134.77Kb] |
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| Zeegers |
Posted on 22-11-2020 17:01
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Member Location: Soest, NL Posts: 19307 Joined: 21.07.04 |
A Bithia spreta, a chalky species indeed. While Sarcophagidae always has a angular bend in vein, several Tachinidae do not: all the tribe Blondeliini, many Leskiini (amongst which Bithia) and no doubt others. Theo |
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| Malgo |
Posted on 22-11-2020 17:33
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Member Location: Posts: 18 Joined: 23.04.20 |
Many thanks for the quick identification. This species does not show up on most sites featuring Tachinids so it is not surprising I couldn't id it. Even this site only has photos identified as Bithia sp. Malcolm |
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| Zeegers |
Posted on 22-11-2020 19:14
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Member Location: Soest, NL Posts: 19307 Joined: 21.07.04 |
Many Bithia are very difficult to separate, but spreta is a kind of "Eriothrix light" if you get my meaning: small red lateral spots on tergites. It is definitely uncommon, but well known from southern England. Theo |
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