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The Society for the study of flies (Diptera)

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#1 2019-07-10 18:09:48

colinleb
DF Members
Name: Colin Le Boutillier
From: Luton, Bedfordshire
Registered: 2008-03-03
Posts: 250

Crane fly for ID

Nephrotoma sp.?  Smaller than most specimens I see.  Using Alan Stubbs' draft key, dark stigma and median stripe on abdomen leads to consideration of postnotum.  Specimen has pale hairs but then doesn't key further because those should be combined with dark wing streak below stigma, and there is no sign of that.  Even allowing for the possibility that the streak may be very faint I can't see Alan's lateral view of the Terminalia in my photos of the specimen, which would make it quadrifaria .  Help appreciated.  Bedfordshire.  25 June 2019.


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Last edited by colinleb (2019-07-10 18:12:17)

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#2 2019-07-11 22:15:32

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

Re: Crane fly for ID

With the dark stigma spot and seam all the way across the wing, and the 'N' shaped mark near the haltere, this is a male Nephrotoma quadrifaria.     John K

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#3 2019-07-11 23:57:27

colinleb
DF Members
Name: Colin Le Boutillier
From: Luton, Bedfordshire
Registered: 2008-03-03
Posts: 250

Re: Crane fly for ID

Thank you John.

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