. Diptera danica : genera and species of flies hitherto found in Denmark. Diptera -- Denmark. 208 Orthorrhapha brachycera. 2. L. sphenoptera Loew. 1873. Loew, Beschr. eur. Dipt. III, 215, 136. — 1903. Kat. palaarkt. Dipt. II, 261. Male. Eyes not quite touching, but leaving a very narrow, black frontal stripe; on the other hånd they are touching below the antennæ, so that no epistoma is present. Proboscis yellow, palpi black. Occiput grey, with black, downwards with pale hairs. Antennæ inserted above the middle, black or brownish black, the third joint somewhat elongated. Thorax black, shining;
. Diptera danica : genera and species of flies hitherto found in Denmark. Diptera -- Denmark. 208 Orthorrhapha brachycera. 2. L. sphenoptera Loew. 1873. Loew, Beschr. eur. Dipt. III, 215, 136. — 1903. Kat. palaarkt. Dipt. II, 261. Male. Eyes not quite touching, but leaving a very narrow, black frontal stripe; on the other hånd they are touching below the antennæ, so that no epistoma is present. Proboscis yellow, palpi black. Occiput grey, with black, downwards with pale hairs. Antennæ inserted above the middle, black or brownish black, the third joint somewhat elongated. Thorax black, shining; the prothoracic parts both above and on the sides with a beautiful silvery pruinosity. The dorsocentral and acro- stichal bristles short and thin, black; the former uniserial, not longer behind, the latter biserial. A long and strong notopleural and a shorter postalar bristle present, both black; besides there are some small hairs on the humeri and in the præsutural depression. Scutellum with two long, black marginal bristles and a pair of small hairs later- ally. Pleura black, somewhat shining. Abdomen black, shining, it may be somewhat translucently pale towards the base and at the sides; it is clothed with pale yellow hairs and has somewhat stronger marginal bristles on the segments. Venter brownish or more or less pale, with pale yellowish hairs. The exterior genitalia form a l'orceps with large, swollen arms, and there is a long, somewhat sinuous penis, which is curved upwards. Legs yellowish white or yellow, the hind tibiæ brownish towards the apex; the hind tibiæ are very slightly thickened and curved a little outwards towards the apex; tarsi brownish outwards, the last joints blackish. The legs are some- what sparingly clothed with shorter and longer hairs; the front femora have short, strong hairs on the anterior side; the posterior femora have long, erect hairs below, and the hind femora an apical bristle on the anterior side; the middle tibiæ have some long
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