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Most users ever online was 248 on Wed Dec 12, 2007 11:53 pm


Hairs on the squama of Syrphus
Hairs on the squama of Syrphus
Poster: stuart
Pic Title: Hairs on the squama of Syrphus
Pic Description: The characteristic feature of the genus Syrphus is the presence of upstanding hairs on the top surface of the squama at the base of the wing. Once you know exactly where to look, this is quite an easy character (given good lighting), but it is essential to distinguish between the fan of hairs around the margins of the squama (which are almost universally present) and the sparser upstanding hairs on the top surface.
Posted: Mon Nov 28, 2005 9:08 am
View: 610
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