224 Tachinidae. 



the anterior halves of tlie orbits and with only a very 

 narrow furrow in middle; in female frontal stripe about 

 as broad as orbits; fourth abdominal segment in female 

 with only two marginal bristles; middle tibiæ without 

 ventral bristle in both sexes 2. leucocephala. 



1. M. campestris Fall. 



1820. Fall. Dipt. Suec. Muse. 8, 12 (Tachina). — 1824. Meig. Syst. Beschr. 

 IV, 373, 231 (Tachina) et 1830. VII, 249, 5. — 1838. Zett. Ins. Lapp. 635, 7 

 €t 1844. Dipt. Scand. III, 1028 [Tachina). — 1862. Schin. F. A. I, 499. — 1895. 

 Pand. Rev. Entom. XIV, 306, 7. — 1907. Kat. palåarkt. Dipt. III, 510. — 

 1924. Stein, Arch. f. Naturgesch. 90, 6, 221, 1. — Tachina amabilis Meig. 

 1824. 1. c. IV, 374, 232, et 1838. VII, 248, 4. — 1838. Zett. 1. c. 636, 10 et 1844. 

 1. c. III, 1029, 19. — 1900. Stein, Ent. Nachricht. XXVI, 131. 



Male. Frons above broader than the eye, somewhat strongly 

 protruding, fully half as long as the eye is high; it is a little narrowing 

 downwards, the face again widening, so that the inner eye-margin 

 is a little produced in the middle, and the facets are here enlarged. 

 Frontal stripe double or more than double as broad as the orbit. 

 Orbits and face whitish grey, the former a little blackish upwards. 

 Frontal stripe black. Ocellar bristles not small. Frontal bristles 

 descending to near the end of second antennal joint, outwards to 

 the small upper frontals two reclinate bristles. Some few vibrissæ 

 above the large one. Orbits with longish black hairs some of which 

 may be somewhat strong. Cheeks with a row of bristles along the 

 inner margin; jowls black-haired. Occiput grey with black hairs. 

 Antennæ black, third joint six times as long as second ; arista thickened 

 in a little more than basal third. Palpi black. Thorax black, bluish 

 grey, at the sides whitish or yellowish grey pruinose, with four black 

 stripes, the median abbreviated behind, the lateral interrupted at 

 the suture; behind the suture there is one middle stripe. Thorax 

 black-haired; two præ- and three postsutural acrostichals. Abdomen 

 black, the three last segments greyish or brownish pruinose, shifting 

 with dark according to view and with a black hind margin, produced 

 forwards in the middle and at each side, in the middle so that a 

 middle line is formed; sometimes the bands divided into three spots. 

 Abdomen black-haired, with marginal bristles, two on second, gener- 

 ally four on third and a row on fourth segment. Legs black, some- 

 what greyish pruinose; the four lirst joints on front tarsi with a 

 €ouple of longish hairs apically on posterior side, one of them longer, 

 €urved at apex. Middle tibiæ with ventral bristle. Wings slightly 



