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#1 2012-09-12 12:21:46

pbrighto
DF Members
Name: Phil Brighton
From: Warrington
Registered: 2011-10-21
Posts: 360

Dicranomyia lutea

I've keyed this out from Alan's keys on more than one occasion.  However, it does not seem to be a recognised name for recording on the NBN.  I believe it may be part of an aggregate, or have some other alias - can anyone please advise?

Thanks, Phil

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#2 2012-09-12 13:06:39

brianh
DF Members
Name: Brian Harding
From: Kidlington, Oxfordshire
Registered: 2008-10-27
Posts: 326

Re: Dicranomyia lutea

I copy from the RES Diptera Checklist Ed. P. Chandler (1998) a note which I leave for you to interpret:-

Dicranomyia mitis (Meigen) of authors includes at least five species (Stubbs 1998) of which two have been provisionally
identified by him with affinis (Schummel) and lutea (Meigen) as interpreted by Edwards (1938). L. excisa (Walker, 1848
Limnobia) is considered by Stubbs (pers. comm.) to be the valid name for another species of this group. As Savchenko et al.
(1992) indicated, Limnobia lutea Meigen, 1818 is a junior secondary homonym of Limonia lutea Meigen, 1804, itself a possible
senior synonym of Dicranomyia chorea (Meigen, 1818), since Limnobia is a synonym of Limonia.

I take it that the aggregate name on the NBN Gateway will be D. mitis.

I also note at the end of the Provisional Keys to Limoniinae that there is "a substantial revision of mitis splitting it into five species": affinis, chorea, lutea, mitis, Species A and Species B.   D. mitis is given a new strict definition, and D. lutea is separate from Species A which is part of D. mitis var. lutea of Coe.

Hopefully this will all be resolved when the definitive Cranefly book is eventually published.

Last edited by brianh (2012-09-12 17:22:05)

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#3 2012-09-12 21:31:34

pbrighto
DF Members
Name: Phil Brighton
From: Warrington
Registered: 2011-10-21
Posts: 360

Re: Dicranomyia lutea

Thanks very much for the comprehensive response.  NBN has only D. chorea and D. mitis of the 5 proposed species.  I'll record it as mitis with a comment.

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