Diptera danica : genera and species of flies hitherto found in Denmark . bdomen blackish; with the light from be-hind slightly [shining with light grey hind margins of the segmentsand the anterior corners of the second segment of the same colour;the three last segments somewhat narrowed, steel-blue, shining. Ventergrey, the three last segments shining black. Abdomen clothed withsomewhat longish, yellow hairs, along the middle line the hairs areblack; the hairs are long at the side margins of the anterior segments; at the hind margins of the segmentsthere are pale bristles which are shortalong


Diptera danica : genera and species of flies hitherto found in Denmark . bdomen blackish; with the light from be-hind slightly [shining with light grey hind margins of the segmentsand the anterior corners of the second segment of the same colour;the three last segments somewhat narrowed, steel-blue, shining. Ventergrey, the three last segments shining black. Abdomen clothed withsomewhat longish, yellow hairs, along the middle line the hairs areblack; the hairs are long at the side margins of the anterior segments; at the hind margins of the segmentsthere are pale bristles which are shortalong the middle, long towards thesides. Venter sparingly clothed withlong, yellowish hairs. Genitalia large,black; the arms of the upper forceps broad, rounded at the apex; the lowerFig. 31. JS. cyanurus, male forceps. e , , ,e i * r forceps only reaching half the length of the upper, the inner branch longer than the outer, crescent-shaped with a convex lower and a concave upper edge; the ventral lamella black, shining; the genitalia clothed with longish, black hairs. Legs. Asilidae. si with the coxae greyish pruinose with long, whitish hairs; femora black,tibiae yellowish ferrugineous with black tips, tarsi black, only theextreme base of the metatarsi, and sometimes of some of the followingjoints, reddish. The hairs on the femora yellowish, only black abovejust at the apex, on the tibiae chiefly black, but intermingled withyellow, especially on the anterior tibiae; long, thin hairs are foundon the ventral side of the femora, on the hind femora also on theposterior side, on the ventral side of the front tibiae and a few onthe ventral side of the middle tibiae; they are for the most part yellow,but on the anterior femora there is a row of stronger, black ones,and on the hind femora a similar row of yellow; spine-like bristlesare found on the ventral and anterior sides of the posterior femora,on the dorsal and posterior sides of the front tibiae and on the varioussides of the posterio


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Keywords: ., bookcentury1900, bookdecade1900, bookpublishercopenhagengecgad