274 Tachinidae. 



joints; claws and pulvilli small and equal in both sexes. Wings with 

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

 angle rectangular or about, without or with a very short veinlet; 

 no costal spine (in the Danish species). 



Three or four European species are recorded, one occurring in 

 Denmark. 



1. P. sybarita Fabr. 



1775. Fabr. Syst. Ent. 798, 2 et 1805. Syst. Antl. 280, 4 (Stomoxys). — 

 1818. Fall. Dipt. Suec. Haemat. 5, 1 (Stomoxys). — 1824. Meig. Syst. Beschr. 

 IV, 160, 2, Tab. XXXVIII, Fig. 1—4 {Stomoxys) et 1838. VII, 277, 1, Tab. 

 LXIII, Fig. 35—40. — 1844. Zett. Dipt. Scand. III, 984, 1 et 1855. XII, 4684, 

 1. — 1862. Scbin. F. A. I, 558. — 1889. B. B. Denkscbr. Akad. Wiss. Wien, 

 LVI, 125, Tab. VIII, Fig. 196. — 1896. Pand. Eev. Entora. XV, 161, 11 (Dexia). 

 — 1907. Kat. palåarkt. Dipt. III, 448. — 1924. Stein, Arcb. f. Naturgesch. 

 90, 6, 238. — Stomoxys grisea Fabr. 1794. Ent. Syst. IV, 394, 2 et 1805. Syst. 

 Antl. 279, 2. 



Male. Frons somewhat narrow, about half as broad as the eye; 

 cheeks broad. Head silvery white; frontal stripe yellow. Orbits with 

 fine pale hairs; jowls bare. Occiput grey, with yellow hairs. Antennæ 

 yellow, tliird joint fully thrice as long as second; arista thickened at 

 base. Palpi small, yellow. Thorax grey or yellowish grey pruinose, 

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

 lateral divided at the suture into an anterior spot and a posterior 

 stripe. Scutellum yellow on apical part. Thorax partly black- partly 

 pale-haired, the latter especially at the sides and the suture, some- 

 times all pale-haired except in front; pleura pale-haired; one post- 

 humeral bristle, sometimes a small second ; only one intraalar bristle, 

 rarely a small second. Abdomen blackish, with the sides largely 

 yellow; it is greyish white pruinose, somewhat shifting according 

 to view; fourth segment with a dark hind margin, third with only 

 hindmarginal spots on the sides. Abdomen black-haired, but the 

 ventral basal part pale-haired; only marginal bristles, on second 

 and third segment a pair, on fourth and fifth a row. Fifth sternite 

 only excised at apex. Legs yellow with tarsi black. Wings slightly 

 brownish tinged; veins dark brown. Squamulæ whitish. Halteres 

 yellow. 



Female. Of darker aspect as abdomen is quite grey. Frons 

 broader, about as broad as the eye. Thoracic disc with shorter, all 

 black hairs. 



