. Diptera danica : genera and species of flies hitherto found in Denmark. Diptera -- Denmark. 256 Orthorrhapha brachycera. eye-margin, with two long, black bristles above. Antennæ black, the second joint with a somewhat long bristle below; the third joint somewhat elongated. Thorax black, shining, with a somewhat ad- pressed, greyish pubescence and beset with somewhat long, black. Fig. 114. Antenna of x 100. bristles, representing both dorsocentral and acrostichal bristles. Further a posthumeral bristle, some notopleural and a postalar bristle, all black, but they are fused with ot
. Diptera danica : genera and species of flies hitherto found in Denmark. Diptera -- Denmark. 256 Orthorrhapha brachycera. eye-margin, with two long, black bristles above. Antennæ black, the second joint with a somewhat long bristle below; the third joint somewhat elongated. Thorax black, shining, with a somewhat ad- pressed, greyish pubescence and beset with somewhat long, black. Fig. 114. Antenna of x 100. bristles, representing both dorsocentral and acrostichal bristles. Further a posthumeral bristle, some notopleural and a postalar bristle, all black, but they are fused with other bristles on the sides of the disc. Scutellum with two long, black marginal bristles and smaller hairs. Pleura black, shining. Abdomen likewise black, shining, with a short, pale pubescence. Venter similarly coloured and haired, the hairs to- wards the apex darker. Legs black, trochanters and knees reddish, generally the tibiæ, especially the hind tibiæ, and the tarsi brownish to reddish. The anterior femora with bristles at the apex on the anterior and posterior side, the one on the anterior side strengest, especially on the middle femora; the hind femora with a few bristles below towards the apex; the anterior tibiæ with apical spurs, the hind tibiæ with a row of strong bristles on the antero-dorsal side. The hairs are yellowish or brownish, the bristles black. Wings hyaline. Veins paler or darker brown; the cross-veins near to each other; the discai vein thin from the medial cross-vein to somewhat beyond the postical cross-vein; a thin anal vein indicated. Halteres whitish yellow to yellow. Female. Quite similar to the male with exception of the pointed abdomen. Length 1,8—2,3 mm. D. setigera is somewhat rare in Denmark, but has been taken on several localities; at Copenhagen; on Falster at Resle; on Funen at Hoffmansgave; on Fænø, and in Jutland at Horsens and at Gjerlev near Randers Fjord; the dates are ^^/^—'^^h. Geographical distribution: — Northern and m
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Keywords: ., bookcentury1900, bookdecade1900, bookpublishercopenhagengecgad
