. Diptera danica : genera and species of flies hitherto found in Denmark. Diptera -- Denmark. 52 Orthorrhapha brachycera. Thorax dark grey, dull, with three blackish brown stripes, the median narrow and indistinct, Dorsocentral and acrostichal bristles long, black; the former strong behind, biserial, the latter uniserial. Further a humeral bristle, a posthumeral, about three notopleural, two supraalar and a postalar bristle, all black; besides there are some finer hairs on and behind the humeri. Scutellum with four black marginal bristles. Pleura grey, metapleura with black hairs. Abdomen dark
. Diptera danica : genera and species of flies hitherto found in Denmark. Diptera -- Denmark. 52 Orthorrhapha brachycera. Thorax dark grey, dull, with three blackish brown stripes, the median narrow and indistinct, Dorsocentral and acrostichal bristles long, black; the former strong behind, biserial, the latter uniserial. Further a humeral bristle, a posthumeral, about three notopleural, two supraalar and a postalar bristle, all black; besides there are some finer hairs on and behind the humeri. Scutellum with four black marginal bristles. Pleura grey, metapleura with black hairs. Abdomen dark grey, dull, with black hairs which are longest in front at the sides; the hind margin of the segments grey. Venter grey with very sparse, black hairs. Exterior genitalia moderately large, the lower lateral lamellæ broad, somewhat triangular with rounded apex; they are black, slightly greyish pruinose, and with dense, brownish black hairs at the margin; the upper lateral lamellæ styliform, slightly curved at the base; penis thread-like, fer- ruginous, somewhat thickened at the base; the eighth ventral segment arched, with long, black hairs at the margin. Legs black; coxæ greyish pruinose; the hind legs somewhat „. ,^. „, „ . long, hind femora cylindrical, hind metatarsi Fig. 16. , ®' -' ,.,•,,, male "enitalia. ^^^ ^^ ^^1 swollen, scarcely as thick as the end of the tibiæ; front femora with fine hairs below towards the anterior and posterior sides, and with slightly longer hairs on the antero-dorsal side; middle femora with two rows of stronger hairs below and likewise with an antero-dorsal row; hind femora mainly short-haired, only with some longer hairs on the posterior side; the posterior femora witli a very dense and short, whitish pubescence below, most distinct on the otherwise somewhat bare hind femora; front tibiæ with short hairs and some bristles dorsally and with a dense, short pubescence ventrally; middle tibiæ with rather strong brist
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Keywords: ., bookcentury1900, bookdecade1900, bookpublishercopenhagengecgad
