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#1 2019-07-18 16:34:16

jimmymac2
DF Members
Name: James McCulloch
From: West Sussex
Registered: 2015-07-10
Posts: 104
Website

Ceratopogonid?

This fly was swept from riverside vegetation at Hedgecourt NR, south Surrey yesterday (17.vii.2019). The patterned wings and overall body shape make me think Ceratopogonid although I've never identified this family before. Furthermore, it was fairly large (4.5mm) and I'm not sure the mouthparts are suitable for a biting midge.

Would anybody be able to suggest an ID? If any more photos are needed, let me know.

TIA, James


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#2 2019-07-18 19:23:54

Tony Irwin
DF Members
Name: Tony Irwin
From: Norwich
Registered: 2008-03-01
Posts: 825

Re: Ceratopogonid?

You are right to doubt that this is a ceratopogonid (which often have a dumpy body and patterned wings), but the ones with patterned wings usually have short legs. This is a female chironomid, in the subfamily Tanypodinae, and is most likely to be Tanypus kraatzi

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#3 2019-07-18 19:40:51

jimmymac2
DF Members
Name: James McCulloch
From: West Sussex
Registered: 2015-07-10
Posts: 104
Website

Re: Ceratopogonid?

Thanks Tony, I was not expecting such a specific ID, particularly if it turned out to be a chironomid! Looking on NBN Atlas, it does not appear to be that widely recorded, so is there a way I could get the specific ID confirmed?

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#4 2019-07-18 23:17:22

Tony Irwin
DF Members
Name: Tony Irwin
From: Norwich
Registered: 2008-03-01
Posts: 825

Re: Ceratopogonid?

Don't expect much from the NBN atlas on chironomids - most of the available data has yet to be uploaded.
Contact Patrick Roper (Chironomidae Study Group) - patrick@prassociates.co.uk - for advice on who to send your pictures (or specimen) to. I'm not sure who is best placed to confirm your det., but Patrick should know. As a rule, having a male specimen is a good idea for confirming specific identifications in Chironomidae, so if you get a chance to go back and find a spotty-winged male, that would be useful.

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#5 2019-07-19 13:56:54

jimmymac2
DF Members
Name: James McCulloch
From: West Sussex
Registered: 2015-07-10
Posts: 104
Website

Re: Ceratopogonid?

Thanks again Tony, I'll send Patrick an email. Hopefully I can get it confirmed!

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