292 Tachinidae. 



insertioii of arista ; wings strongly yellow at base and squa- 



mulæ yellow 1 . ferruqinea. 



— Greyish pruinose; frontal bristles descending below inser- 

 tion of arista; wings only sligbtly yellowish at base and 

 squamulæ white 2. florum. 



1. C. ferruginea Meig. 



1824. Meig. Syst. Beschr. IV, 382, 247 [Tachina) et 1838. VII, 240, 3 

 {Masicera). — 1900. Villen. Bull. Soc. Ent. de Fr. 161 et 1906. Wien. Ent. 

 Zeitg. XXV, 247 {Masicera). — 1907. Kat. palåarkt. Dipt. III, 295 {Erycia). 

 — 1921. Baer, Zeitschr. f. angew. Ent. VII, 155. — Exorista rutilla Rond. 

 1859. Dipt. Ital. Prodr. III, 132, 13. — 1907. Kat. palåarkt. Dipt. III, 238 

 (Carcelia). — C. rutila 1924. Stein, Arch. f. Naturgescb. 90, 6, 96, 7. 



Male. Frons above not as broad as the eye, somewhat pro- 

 truding. Orbits yellow, cheeks silvery, jowls grey; frontal stripe 

 yelvet black or slightly brownisb. Frontal bristles descending to 

 insertion of arista, two uppermost reclinate. Vibrissæ ascending to 

 near middle, diminishing miicli in length upwards. Orbits and jowls 

 witb black liairs. Occiput yellowish, with pale hairs and black hairs 

 behind postocular bristles. Antennæ black, basal joints slightly 

 reddish, third joint five times as long as the short second; arista 

 thickened in a little less than basal half, second joint short. Palpi 

 thin, yellow. Thorax brownish black, brownish yellow pruinose, 

 with four narrow dark stripes, the median abbreviated behind, the 

 lateral divided at the suture into two elongated spots; scutellum 

 nearly all yellow, yellowish brown pruinose. Thorax with dense black 

 hairs; three sternopleural bristles. Abdomen all brownish yellow 

 pruinose, black-haired ; second segment with a pair of marginal 

 bristles, third \\dth two pairs of discai and a pair of marginal and 

 fourth with two pairs of discai and a row of marginal. Fifth sternite 

 cleft to base. Genitalia forming a knob at end of abdomen, black, 

 a little pruinose. Legs black with tibiæ dirty yellow; claws and pul- 

 villi somewhat elongated. Wings a little tinged, bright yellow at base; 

 first posterior cell rather narrowly open, ending a little before apex 

 of wing; apical cross-vein slightly concave. Squamulæ deep yellow. 

 H alteres yellow. 



Female. Similar; frons broad, considerably broader than the eye. 



Length 7,5 — 8,5 mm. 



C. ferruginea is rare in Denmark, only two specimens, both 

 males, have been taken, one at Hornbæk, the other in Jutland at 



I 



