. Diptera danica : genera and species of flies hitherto found in Denmark. Diptera -- Denmark. Empididae. 305 15. T. fasciata Meig. 1822. Meig. Syst. Beschr. III, 86, 43, Tab. XXIII, Fig. 22. — 1862. Schin. F. A. I, 89 {Platijpalpus). — 1903. Kat. palaarkt. Dipt. II, 283. — Tachydromia candicans var. c: 1842. Zett. Dipt. Scand. I, 285, 17. Male. Vertex and frons grey, the latter broader than in candicans; epistoma white; palpi yellow, large, half as long as proboscis. Occiput grey, with whitish yellow bristles above, while hairs below. Antennæ blackish or brownish, the two basal joints yellow,
. Diptera danica : genera and species of flies hitherto found in Denmark. Diptera -- Denmark. Empididae. 305 15. T. fasciata Meig. 1822. Meig. Syst. Beschr. III, 86, 43, Tab. XXIII, Fig. 22. — 1862. Schin. F. A. I, 89 {Platijpalpus). — 1903. Kat. palaarkt. Dipt. II, 283. — Tachydromia candicans var. c: 1842. Zett. Dipt. Scand. I, 285, 17. Male. Vertex and frons grey, the latter broader than in candicans; epistoma white; palpi yellow, large, half as long as proboscis. Occiput grey, with whitish yellow bristles above, while hairs below. Antennæ blackish or brownish, the two basal joints yellow, the third joint short and shorter than the arista. Thorax yellowish grey pruinose, with two more or less distinct, grey stripes in the middle, abbreviated behind; all bristles yellow. Scutellura with four yellow marginal bristles, the two lateral small. Pleura grey pruinose; no black spot above the middle coxæ. Abdomen black, shining; all segments with grey, triangular spots at the sides, meeting or almost meeting in the middle; on the sides the spots occupy the whole length of the seg- ment, while they are narrow and pointed towards the middle. Ab- domen is clothed with short, yellowish hairs. Venter black, but not rarely more or less pale. Legs yellow or pale yellow, tarsi with the last joints -blackish or brownish, and generally more or less distinctly but narrowly brownish or blackish annulated. Front femora somewhat, middle femora considerably thickened. The legs are yellow haired. Wings hyaline, slightly yellowish tinged. Veins brownish, yellow towards the base; cubital and discai vein con- verging, the discai vein with a some- what sudden curve before the apex. Fig. 139. Wing-part of T. fasciata. Balteres whitish yellow. Female. Similar to the male; abdomen pointed. Length. This species varies in size like candicans, generally it is 3,5—4,5 mm., but sometimes specimens may be found down to 2,5 mm. This species can, on account of the absence of the black spot on
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