Diptera.info :: Identification queries :: Diptera (adults)
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 UK, Tachinidae, Exorista
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| sd |
Posted on 14-07-2011 17:42
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Member Location: Suffolk, UK Posts: 892 Joined: 11.10.07 |
North Wales, coastal sand-dunes. 3rd July 2011. size 12mm approx. This is Exorista. The reddish scutellum and 4 ps dc bristles narrows it down but not sure if its fasciata or larvarum, both are recorded for North Wales. Steve sd attached the following image:  [121.62Kb] |
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| sd |
Posted on 14-07-2011 17:42
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Member Location: Suffolk, UK Posts: 892 Joined: 11.10.07 |
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sd attached the following image:  [120.58Kb] |
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| sd |
Posted on 14-07-2011 17:43
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Member Location: Suffolk, UK Posts: 892 Joined: 11.10.07 |
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sd attached the following image:  [127.17Kb] |
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| sd |
Posted on 14-07-2011 17:43
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Member Location: Suffolk, UK Posts: 892 Joined: 11.10.07 |
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sd attached the following image:  [79.57Kb] |
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| ChrisR |
Posted on 14-07-2011 18:34
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 Administrator Location: Reading, England Posts: 7699 Joined: 12.07.04 |
Yes, definitely Exorista ... possibly larvarum ... though I usually like to check the specimen just to be sure.
Manager of the UK Species Inventory in the Angela Marmont Centre for UK Biodiversity at the Natural History Museum, London. |
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| ChrisR |
Posted on 07-08-2011 18:21
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Administrator Location: Reading, England Posts: 7699 Joined: 12.07.04 |
After having seen the specimens I'm now going with Exorista fasciata - the facial ridge bristles reach up to the descending parafacials; the dusting on the sides of T3 only reaches about half way; and the cercus doesn't have very rounded edges.
Manager of the UK Species Inventory in the Angela Marmont Centre for UK Biodiversity at the Natural History Museum, London. |
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| sd |
Posted on 09-08-2011 14:25
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Member Location: Suffolk, UK Posts: 892 Joined: 11.10.07 |
Thanks Chris, the habitat certainly suggested fasciata - coastal sand dunes |
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but don't see the image in the post.
