Diptera.info :: Identification queries :: Diptera (adults)
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 Sarcophagidae ? => Tachinidae: Istocheta longicornis
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| skrylten |
Posted on 10-11-2012 16:07
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 Member Location: Sweden Posts: 1464 Joined: 03.10.11 |
2012-06-30, Skåne Sweden, 9 mm
skrylten attached the following image:  [135.42Kb] Edited by skrylten on 12-11-2012 19:24 |
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| skrylten |
Posted on 10-11-2012 16:08
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Member Location: Sweden Posts: 1464 Joined: 03.10.11 |
2:nd image
skrylten attached the following image:  [108.27Kb] |
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| ChrisR |
Posted on 10-11-2012 16:13
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 Administrator Location: Reading, England Posts: 7699 Joined: 12.07.04 |
Tachinidae 
Manager of the UK Species Inventory in the Angela Marmont Centre for UK Biodiversity at the Natural History Museum, London. |
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| skrylten |
Posted on 10-11-2012 16:15
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Member Location: Sweden Posts: 1464 Joined: 03.10.11 |
Thats more interesting Chris  Can I take other images to get further ? |
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| sd |
Posted on 10-11-2012 21:40
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Member Location: Suffolk, UK Posts: 892 Joined: 11.10.07 |
Maybe Istocheta? Steve |
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| skrylten |
Posted on 10-11-2012 21:43
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Member Location: Sweden Posts: 1464 Joined: 03.10.11 |
Arrived at Istocheta in the key at the same time you wrote it |
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| skrylten |
Posted on 11-11-2012 09:44
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Member Location: Sweden Posts: 1464 Joined: 03.10.11 |
We only have Istocheta longicornis listed in Sweden. I will try to take all the photos necessary (if possible) to confirm that ID. I'll be back later ... |
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| skrylten |
Posted on 11-11-2012 14:33
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Member Location: Sweden Posts: 1464 Joined: 03.10.11 |
Following "Die Raupenfliegen Mitteleuropas:" First sternopleural bristles... skrylten attached the following image:  [95.94Kb] |
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| skrylten |
Posted on 11-11-2012 14:34
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Member Location: Sweden Posts: 1464 Joined: 03.10.11 |
... and "swollen" sub-scutellum => Tachinidae
skrylten attached the following image:  [134.32Kb] |
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| skrylten |
Posted on 11-11-2012 14:35
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Member Location: Sweden Posts: 1464 Joined: 03.10.11 |
1: 3 ia => 2
skrylten attached the following image:  [154.81Kb] |
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| skrylten |
Posted on 11-11-2012 14:37
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Member Location: Sweden Posts: 1464 Joined: 03.10.11 |
2: Bare arista => 19
skrylten attached the following image:  [112.54Kb] |
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| skrylten |
Posted on 11-11-2012 14:42
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Member Location: Sweden Posts: 1464 Joined: 03.10.11 |
19: m-cu almost right-angled, no small bristles on R4+5 => 25
skrylten attached the following image:  [101.92Kb] |
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| skrylten |
Posted on 11-11-2012 14:44
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Member Location: Sweden Posts: 1464 Joined: 03.10.11 |
25: m-vein bent (see image above) => 30 |
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| skrylten |
Posted on 11-11-2012 14:46
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Member Location: Sweden Posts: 1464 Joined: 03.10.11 |
30: Cell R5 open (see image above) => 56 |
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| skrylten |
Posted on 11-11-2012 14:48
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Member Location: Sweden Posts: 1464 Joined: 03.10.11 |
56: Other combinations ... => 63
skrylten attached the following image:  [173.56Kb] |
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| skrylten |
Posted on 11-11-2012 14:51
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Member Location: Sweden Posts: 1464 Joined: 03.10.11 |
63: Brigth hairs on the lower back of head => 76
skrylten attached the following image:  [170.8Kb] |
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| skrylten |
Posted on 11-11-2012 14:54
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Member Location: Sweden Posts: 1464 Joined: 03.10.11 |
76: Some hairs as in abb. 8 (see image above) => 77 77: Once again as in abb.8 (see image above) => 78 78: As in abb.8 and eyes with some hairs (see image above) => Istocheta !!! Edited by skrylten on 11-11-2012 14:57 |
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| skrylten |
Posted on 11-11-2012 15:05
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Member Location: Sweden Posts: 1464 Joined: 03.10.11 |
Istocheta key: 1: Arista thickened to more than half its length => 2 2: Arista thickened to ca 2/3 the length. Distance between subapical bristles almost the same as between basal bristle and subapical bristle (see image above) => 3 skrylten attached the following image:  [112.54Kb] |
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| skrylten |
Posted on 11-11-2012 15:12
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Member Location: Sweden Posts: 1464 Joined: 03.10.11 |
3: "Wangen" narrower than half the eye-diameter (see image above). Scutellum with hairlike apical bristles (see image above). Abdomen with discal bristles. ===> longicornis Please comment if it seems a correct ID ! skrylten attached the following image:  [112.28Kb] Edited by skrylten on 11-11-2012 15:13 |
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| Zeegers |
Posted on 11-11-2012 18:52
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Member Location: Soest, NL Posts: 18806 Joined: 21.07.04 |
It is definitely Istochaeta and it looks like longicornis indeed. Supposed to be nocturnal. How did you get it ?? Theo |
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