Macroprosopa. 245 



part. Vibrissæ not ascending. Eyes hairy, in female less than in male. 

 Epistoma not retreating. Antennæ inserted at about middle of the 

 eye, short but nearly reaching lower margin of epistoma; third joint 

 a little longer than second; arista long, distinctly short-pubescent. 

 Thorax with three postsntiiral dorsocentrals and one pair of præ- 

 sutural and postsutural acrostichals; two intraalar bristles. Scutellum 

 with three marginal bristles on each side, the apical crossing. Two 

 sternopleural bristles. Pteropleura above with small hairs and a 

 small bristle. Abdomen with discai and marginal bristles, second 

 segment without bristles. Legs long; claws and pulvilli in male elong- 

 ated; front tarsi in female robust. Wings with first posterior cell 

 closed, ending quite shghtly before apex of wing; discai angle obtuse; 

 no or a very small costal spine. Thoracic squamula somewhat nar- 

 ro wed. 



Only one species is known, also occurring in Denmark. 



1. M. atrata Fall. 



1810. Fall. Vet. Acad. Handl. XXXI, 268 et 1820. Dipt. Suec. Muse. 

 34, 71 {Tachina). — 1838. Zett. Ins. Lapp. 646, 53 et 1844. Dipt. Scand. III, 

 1181, 184 et 1859. XIII, 6141, 184 {Tachina). — 1862. Schin. F. A. I, 531 

 (Macquartia). — 1889. B. B. Denkschr. Akad. Wiss. Wien, LVI, 109, Tab. VI, 

 Fig. 114. — 1895. Pand. Eev. Entom. XIV, 321, 4 (Macquartia). — 1907. 

 Villen. Wien. Ent. Zeitg. XXVI, 257, 60. — 1907. Kat. palåarkt. Dipt. III, 

 408. — 1924. Stein, Arch. f. Natiirgesch. 90, 6, 158. — Tachina corusca Meig. 

 p. p. 1824. Syst. Beschr. IV, 273, 61 et 1838. VII, 191, 46. — 1900. Stein, 

 Ent. Nachricht. XXVI, 134. 



Male. Frons narrow above with the eyes nearly touching, only 

 shghtly protruding. Jowls about one third of the height of the eye, 

 but as they are bending much inwards their real breadth is larger. 

 Orbits silvery, black at inner margin; cheeks dark silvery grey, 

 dark reflecting; jowls black, shining; frontal stripe black. Orbits 

 and upper part of cheeks with some fine hairs; jowls black-haired. 

 Occiput black, a little greyish pruinose, with all black hairs. Eyes 

 brownish-hairy. Antennæ black, third joint a little longer than second; 

 arista thickened at base. Palpi black or brownish black. Thorax 

 black and shining, not pruinose, black-haired. Abdomen black, 

 shining, with black hairs and discai and marginal bristles; second 

 segment without bristles, third with or without discai and with a 

 pair or a row of marginal bristles, and fourth with a pair of discai 

 and a row of marginal bristles. Legs black, with long bristles. Wings 

 yellowish brown tinged, darkest at anterior margin and especially 



