392 Tachinidae. 



2. Middle stripe on abdomen narrow 1. capitata. 



— Middle stripe on abdomen broader, towards one tkird or 



fourth of the breadth of abdomen 2, ornata. 



1. G. capitata De Geer. 



1776. De Geer, Mem. Ins. VI, 23, 2, Tab. I, Fig. 3 [Musca). — 1820. 

 Fall. Dipt. Suec. Muse. 11, 18, p. p. {Tachina). — 1826. Meig. Syst. Bescbr. V, 

 3, 1. — 1838. Zett. Ins. Lapp. 632, 1 et 1844. Dipt. Scand. III, 1192, 1. — 

 1888. Kow. Wien. Ent. Zeitg. VII, 10, 11. — 1907. Kat. palåarkt. Dipt. III, 

 363. — 1921. Baer, Zeitschr. f. angew. Ent. VII, 362. — 1924. Stein, Arch. f. 

 Naturgescb. 90, 6, 119, 2. — G. trifaria Zell. 1842. Isis, 841, 1. — 1862. Scbin. 

 F. A. I, 443. — G. vacua Meig. 1826. 1. c. V, 4, 5. — 1862. Scbin. F. A. I, 444. 



Male. Frons double as broad as the eye. Orbits yellow, above 

 a little greyish and shining; cheeks and jowls yellow, somewhat 

 golden pruinose; frontal stripe bright yellow, seen from in front 

 somewhat white pruinose. Orbits outside the frontals beset with 

 irregular bristles, besides only sparingly haired, most above; cheeks 

 and jowls with fine and short black hairs, rather scattered; on inner 

 margin of cheeks in the lower half a row of bristles, Occiput grey, 

 but yellow and translucent above on a triangular space from vertex 

 downwards; it has whitish yellow hairs, except on the yellow part. 

 Antennæ black, with the basal joints reddish yellow; third joint 

 four to five times a^ long as second; arista with second and third 

 joint of about equal length. Palpi yellow. Thorax blackish, somewhat 

 shining, humeral cailus and lateral margin reddish, and it is also 

 somewhat reddish in front of scutellum; it is greyish pruinose with 

 four black stripes, the median abbreviated behind, the lateral inter- 

 rupted at the suture. Scutellum yellowish translucent. Thorax with 

 short, black hairs. Abdomen yellowish red, with a narrow black 

 middle line and apex of fifth segment black; also at hind margin 

 of fourth segment the line forms a triangular smaller or larger spot; 

 abdomen is very narrowly whitish pruinose just at the front margin 

 of third and fourth segment, on fifth segment the pruinosity is more 

 golden and covering all the yellow part. Abdomen is black-haired; 

 on second and third segment a pair of marginal bristles, on fourth a 

 row. Legs black, tibiæ may be a little obscurely brownish; antero- 

 dorsal bristles on hind tibiæ more or less unequal. Wings a little brown- 

 ish; veins yellow, outwards blackish; discai angle rectangular, apical 

 cross-vein a little incurved above the angle. Squamulæ whitish. 

 Halteres brown. 



