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Trichopsomyia lucida

 
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stuart
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Joined: 11 May 2005
Posts: 737
Location: Peterborough, UK

PostPosted: Sun Jul 08, 2007 11:04 am    Post subject: Trichopsomyia lucida Reply with quote

Trichopsomyia lucida (Meigen, 1822)

Added to the British list by Martin Speight in 2006 (Speight, M.C.D., 2006, Trichopsomyia lucida (Dipter:Syrphidae): An addition to the British list, and its segregation from related species. Entomologist's Record and Journal of Variation, 118(5) 203-206) based on a specimen collected in a cemetery in London.

This is most similar to the widespread and not uncommon T. flavitarsis and, in general appearance, is more shiny and (the male at least) can be noticeably larger. Both sexes differ in their wing veination: the upper outer-cross-vein meets R4+5 at almost a right angle in T. flavitarsis, but in T. lucida it slopes outwards to make a sharp point. The yellow spots on tergite two of the female abdomen are also larger and angular (triangles to rectangles) in T. lucida compared to the samll round spots of T. flavitarsis:


(from van Veen, 2004)
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