Diptera.info :: Identification queries :: Other insects, spiders, etc.
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 Acrocerid pupa ?
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| John Bratton |
Posted on 11-06-2020 18:47
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Member Location: Menai Bridge, North Wales, UK Posts: 654 Joined: 17.10.06 |
I collected this 1 June 2020 from a marsh at Moelyci Farm, Tregarth, North Wales. The host is Tetragnatha extensa. Unfortunately I had pickled it before I noticed the parasite. I am suggesting Acroceridae because that is the only group I know that parasitises spiders.
John Bratton attached the following image:  [71.38Kb] |
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| John Bratton |
Posted on 11-06-2020 18:49
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Member Location: Menai Bridge, North Wales, UK Posts: 654 Joined: 17.10.06 |
Is it possible to identify a pupa? I don't think any of the three British species of acrocerid has been recorded in North Wales.
John Bratton attached the following image:  [49.85Kb] |
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| Tony Irwin |
Posted on 11-06-2020 23:44
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 Member Location: Norwich, England Posts: 7285 Joined: 19.11.04 |
All the British acrocerids are internal parasites, and as far as I know none has been recorded from Tetragnatha. I suspect this is more likely to be an ichneumon.
Tony ---------- Tony Irwin |
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| eklans |
Posted on 12-06-2020 08:10
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Member Location: Franconia, Germany Posts: 3961 Joined: 11.11.18 |
Bore da John, it could be a Acrodactyla sp. (Pimplinae) - these are parasitoids of Tetragnatha, too. Greetings, Eric |
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| John Bratton |
Posted on 12-06-2020 09:34
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Member Location: Menai Bridge, North Wales, UK Posts: 654 Joined: 17.10.06 |
Thanks very much. It is a slight comfort to know I haven't missed out on the first North Wales acrocerid. There are no Acrodactyla records from around here either but they don't look very distinctive. I don't think I could pick them out in a sweep net. John |
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