306 Tachinidae. 



1898. Brauer, Sitzuugsber. Akad. Wiss. Wien, CVII, 521 {Bactromyia). — 

 Meigeniofsis dubiosa B. B. 1893. 1. c. LX, 115. • — Discochaeta incana B. B. 

 1891. 1. c. LVIII, 355. — 1907. Villen. Wien. Ent. Zeitg. XXVI, 249, 2. — 

 Tachina decUvicornis (Macq.) Pand. 1896. Rev. Entom. XV, 56, 10. — 1907. 

 Villen. Ann. Soc. Ent. de Fr. LXXVI, 389. 



Male. Frons above not as broad as the eye, almost not protruding; 

 cheeks narrow and jowls very narrow, about one sixth of the height 

 of the eye. Orbits yellow, cheeks greyish silvery, and jowls grey; 

 frontal stripe velvet black. two uppermost frontal bristles reclinate, 

 Vibrissæ not ascending. Occiput grey with the eye-margin yellowish; 

 it has pale hairs, very sparse above, and a row of black hairs behind 

 postocular bristles. Eyes a little pubescent. Antennæ black, third 

 joint long, six times as long as the short second; arista thickened in 

 less than basal half. Palpi brownish, somewhat dilated. Thorax 

 brownish black, yellow pruinose, with four narrow, black stripes, 

 the median abbreviated behind, the lateral divided at the suture 

 into two elongated spots; a middle stripe sometimes visible; scutellum 

 dark on basal, pale on apical part. Thorax black-haired; scutellum 

 with four marginal bristles on each side, the apical quite small, 

 Crossing. Three sternopleural bristles. Abdomen black, somewhat 

 shining, the three last segments with a broad, yellow pruinose front 

 band; a black middle stripe visible in certain views. Abdomen black- 



Fig. 74. Wing of E. aurulenta. 



haired; second and third segment with a pair, fourth with a row of 

 marginal bristles, those on second segment weak; sometimes a pair 

 of discai bristles on fourth segment. Legs black; claws and pulvilli 

 not elongated. Wings a little yellowish tinged; veins brown; discai 

 angle obtuse and somewhat rounded; first posterior cell narrowly 

 open, ending near apex of wing; posterior cross-vein placed near 

 middle between medial cross-vein and angle. Squamulæ a little yellow- 

 ish. Halteres yellow. 



