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The Society for the study of flies (Diptera)

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#1 2019-07-24 16:35:55

BurtonWeb
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Name: Anne at BurtonWeb
From: Burton, Cumbria
Registered: 2018-06-06
Posts: 6
Website

Is this a Nephrotoma quadrifaria?

I've hunted through the forum and searched online images and I think this visitor to my house is a male Nephrotoma quadrifaria. Am I right please?


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Last edited by BurtonWeb (2019-07-24 16:37:41)

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#2 2019-07-25 12:02:37

johnkramer
DF Members
Name: John Kramer
From: Oadby, Leicester
Registered: 2008-02-20
Posts: 263

Re: Is this a Nephrotoma quadrifaria?

I haven't got enough info to be certain but this could be a female Nephrotoma dorsalis.  The end of the ovipositor seems 'blunt' ie not a sharp point (but the point of view is better from the side) and the lateral stripe does not seem to end in a spot. The larvae live in sandy river banks.
John K

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#3 2019-07-25 18:52:18

BurtonWeb
Registered user
Name: Anne at BurtonWeb
From: Burton, Cumbria
Registered: 2018-06-06
Posts: 6
Website

Re: Is this a Nephrotoma quadrifaria?

Thanks John, it's definitely a pointed end to the body, not the clubbed end that I saw in my earlier query.  We don't have any sandy riverbanks around where I live at all, it's limestone country. Does that help at all? Sorry these were the best pics I could manage of it (they do blow up bigger).

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