Diptera.info :: Identification queries :: Diptera (adults)
 Gall fly?
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| davenicholls |
Posted on 10-02-2011 18:48
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Member Location: Leicester, England Posts: 240 Joined: 27.04.07 |
I'm not sure if this fly is associated with the gall it is resting on. Seen in September, England. Any ideas?
davenicholls attached the following image:  [178.39Kb] |
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| jorgemotalmeida |
Posted on 10-02-2011 18:51
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 Member Location: Viseu - PORTUGAL Posts: 9296 Joined: 05.06.06 |
again... this is a parasitoid wasp. Hymenoptera. |
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| davenicholls |
Posted on 10-02-2011 18:54
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Member Location: Leicester, England Posts: 240 Joined: 27.04.07 |
I wondered if it might be so thanks for this. |
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| Paul Beuk |
Posted on 10-02-2011 20:01
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 Super Administrator Location: Netherlands Posts: 19403 Joined: 11.05.04 |
Perhaps Eurytomidae? I thought these liked to parasitise on gall insects.
Paul - - - - Paul Beuk on https://diptera.info |
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| ChrisR |
Posted on 10-02-2011 20:08
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 Super Administrator Location: Reading, England Posts: 7706 Joined: 12.07.04 |
I'd go with Ptermomalidae but I'm no expert  There are plemty of pteromalids associated with gall communities.
Edited by ChrisR on 10-02-2011 20:08 Manager of the UK Species Inventory in the Angela Marmont Centre for UK Biodiversity at the Natural History Museum, London. |
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| Nosferatumyia |
Posted on 11-02-2011 09:37
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 Member Location: Posts: 3576 Joined: 28.12.07 |
Indeed, a parasitic wasp. Two most common options are Entedon sp. (Eulophidae) or Pteromalus (Habrocytus) sp. (Pteromalidae). Both are of similar size and shape, differing in details (indistinct here); if that was a fruit fly gall on a thistle, Pteromalus is more reliable; in the case of a weevil gall, it could be an Entodon. Also, Entodons often hav e"white socks"
Val |
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