Zophomyia. 535 



long bristle. Abdomen elongated ovate, second segment with the 

 excavation quite small and with the hind margin a little excised; 

 a sixth segment visible anterior to the præhypopygial; there are 

 discai and marginal bristles; second segment without bristles; fifth 

 with bristles all over. Genitalia forming a protruding knob at the 

 end below; fifth sternite cleft to near base. Legs of medium length, 

 with strong bristles; claws and pulvilli in male elongated. Wings 

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

 of wing; discai angle nearly rectangular; a somewhat large costal spine. 

 The genus contains only one species, also occurring in Denmark. 



1, Z. temula Scop. 



1763. Scop. Entom. carn. 330, 885 (Musca). — 1862. Schin. F. A. I, 436. 

 — 1889. B. B. Denkschr. Akad. Wiss. Wien, LVI, 121, Tab. VII, Fig. 170. — 

 1895. Pand. Rev. Entom. XIV, 319, 1 (Macqiiartia). — 1907. Kat. palåarkt. 

 Dipt. III, 411. — 1924. Stein, Arch. f. Naturgesch. 90, 6, 163. — Musca tremula 

 Linn. 1767. Syst. Nat. XII, 2, 991, 77. — 1805. Fabr. Syst. Antl. 310, 9 {Ta- 

 china). — 1810. Fall. Vet. Acad. Handl. XXXI, 270 et 1820. Dipt. Suec. Muse. 

 34, 70 [Tachina). — 1824. Meig. Syst. Beschr. IV, 272, 58 (Tachina) et 1838. 

 VII, 227, 1 {Erebia). — 1844. Zett. Dipt. Scand. III, 1152, 152 et 1855. XII, 

 4701, 152 et 1859. XIII, 6129, 152 {Tachina). 



Male, Frons broader than the eye; cheeks somewhat broad. 

 Orbits and cheeks silvery, the former black above; jowls black to 

 dark reddish brown, without hairs; frontal stripe velvet black, or 

 reddish in front. Eyes pale-hairy. Orbits with black hairs going down 

 on upper part of cheeks. Occiput black, with all black hairs. Antennæ 

 black; arista thickened at base. Palpi brownish. Thorax bluish black, 

 shining, very slightly pruinose, black-haired. Abdomen elongated 

 oval, bluish black, shining; it is black-haired, second segment without 

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

 pair of discai and a row of marginal; the bristles strong; also sixth 

 and eighth segment and hypopygium with bristles. Upper forceps 

 with long backwards directed, fine hairs. Legs black, with very 

 long bristles; claws and pulvilli strongly elongated. Wings yellowish 

 tinged, especially strongly yellow at base; veins yellowish brown; 

 discai angle a little rounded. Squamulæ deep yellow. Halteres brown. 



Female. Quite similar; frons a little broader, bristles the same. 



Length 8 — 10 mm. 



This species is very easily known by its bluish black colour and 

 the strongly yellow wing-base. 



Z. temula is very common in various localities, and has been 



