Macquartia. 241 



Akad. Wiss. Wien, LVI, 129, Tab. VIII, Fig. 221, b. — 1895. Pand. Rev. 

 Entom. XIV, 324, 8. — 1907. Kat. palåarkt. Dipt. III, 405. — 1924. Stein, 

 Arch. f. Naturgesch. 90, 6, 156, 3. — Tachina rufipes Fall. 1820. 1. c. 33, 68. — 

 1824. Meig. 1. c. IV, 269, 51 {Tachina) et 1838. VII, 229, 1. — Tachina flavipes 

 Meig. 1824. 1. c. IV, 280, 71 et 1838. VII, 229, 25. — 1862. Schin. F. A. I, 530. 

 — M. ochropus Meig. 1838. 1. c. VII, 230, 15. — 1900. Stein, Ent. Nachricht. 

 XXVI, 145. 



Male. Frons very narrow so the eyes touching or almost; cheeks 

 broad and jowls half as broad as tlie eye is high. The whole head 

 grey, with frontal stripe black. Frontal bristles stopping before the 

 upper third of frons. Vibrissæ slightly ascending. Eyes densely 

 brownish-haired. Orbits, cheeks and likewise jowls with long, fine 

 black hairs. Occiput behind postooular bristles covered all over 

 with black hairs. Antennæ black, short, third joint slightly longer 

 than second; arista long, thickened at base. Palpi bright yellow. 

 Thorax black, slightly greyish pruinose in front and here with the 

 beginning of four stripes, the median narrow. Thorax black-haired; 

 three præ- and three postsutural acrostichals. Scutellum with three 

 or four marginal bristles on eaoh side, the apical strong, crossing; 

 when four bristles the subapical fine. Abdomen blackish olive, some- 

 what shining, the three last segments brownish grey pruinose, some- 

 what shifting in colour according to view. Abdomen black-haired, 

 with discai and marginal bristles, second segment with a pair of 

 marginal, third with a pair of discai and marginal, fourth with a pair 

 of discai and a row of marginal. Hypopygium and upper forceps with 

 long hairs, directed to each side. Legs black, tibiæ yellow or reddish 

 yellow, front tibiæ sometimes black; these latter with an antero- 

 dorsal row of short bristles. Wings more or less brownish tinged, 

 especially on anterior part, the base brownish yellow; veins brown; 

 first posterior cell narrowly open, ending a little before apex of wing; 

 discai angle a little obtuse. Squamulæ yellow or brownish yellow. 

 Halteres yellow. 



Female. Of somewhat differing aspect. Frons nearly as broad 

 as the eye; head paler grey; cheeks more sparingly haired. Antennæ 

 red with only third joint more or less to quite dark. Thorax quite 

 grey with four darker grey stripes. Abdomen likewise quite grey 

 pruinose. Legs all yellow with only tarsi black, front tarsi with the 

 three last joints a little dilated. 



Length 7 — 8,5 mm. 



M. dispar is not rare in Denmark; Amager, Ordrup Mose, Erme- 

 lund, Dyrehaven, Geel Skov, Hillerød, Jægerspris; in Jutland at 



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