112 Tachinidae. 



a little hairy above. Vibrissæ not or slightly ascending. Epistoma 

 almost not retreating, a little reflected below. Oral cone and pro- 

 boscis of some length ; clypeus linear, incised in the apical half , Palpi 

 quite small and thin. Antennæ inserted above the middle of the 

 eye, reaching to the end of epistoma, second joint somewhat elongated, 

 third somewhat longer than second; arista thickened in basal half, 

 hare, second joint somewhat elongated. Thorax a little rectangiilar ; 

 only one hinder dorsocentral bristle present and no acrostichals. 

 Scntellum short, broadly rounded or truncate with five to seven 

 parallel and nearly equal marginal bristles on each side. Two sterno- 

 pleural bristles besides hairs. Above on pteropleiira a single small 

 bristle. Abdomen elongated oval, somewhat cylindrical; excavation 

 on second segment very small ; a narrow sixth segment visible anterior 

 to the præhypopygial. No bristles. Male genitalia forming a knob 

 below apex. Genitalia in female similar to those in Weberia; sixth 

 segment cylindrical, bent in under venter, with a ventral process 

 whicli is furcate at apex, the lateral margins on ventral side with 

 dense spinules; the apical segment cleft into two claws; second 

 segment with the lateral margins on ventral side produced down- 

 wards, united and beset with spinules. Legs with fme hair-like bristles; 

 in both sexes two somewhat small ventral bristles on middle tibiæ; 

 claws and pulvilli a little elongated in male. Wings relatively small; 

 first posterior cell petiolate, the peduncle ending before apex of 

 wing; angle on discai vein obtuse and more or less rounded. No 

 costal spine; bristles at base of cubital vein very minute. 



The development is not known, but the structure of the female 

 abdomen seems to show that the species belongs to Pantel's group 8. 



Only one species is known (when scutellum and its bristles are 

 taken as a generic character), also occurring in Denmark. 



1. B. melanura Meig. 



1824. Meig. Syst. Beschr. IV, 286, 81 {Tachina) et 1838. VII, 206, 3 

 {Gymnosoma). — 1844. Zett. Dipt. Scaiid. III, 1224, 1 et 1859. XIII, 6159, 1 

 {Wahlhergia). — 1862. Schin. F. A. I, 420. — 1889. B. B. Denkschr. Akad. 

 Wiss. Wien, LVI, 143, Tab. XI, Fig. 288. — 1907. Kat. palåarkt. Dipt. 

 III, 564 p. p. — 1924. Stein, Arch. f. Naturgesch. 90, 6, 243, 4. — Ocyptera 

 latemlis Fall. (nec Fabr.) Dipt. Suec. Rhizom. 6, 3. — 1894. Pand. Rev. Entom. 

 XIII, 69, 6 (Phania). — 1907. Villen. Ann. Soc. Ent. de Fr. LXXVI, 380 

 {Phania). — Wahlhergia dimidiata Zett. 1859. 1. c. XIII, 6159, 2. 



Male. Frons above as broad as the eye or fully, slightly protrud- 

 ing. Orbits and cheeks greyish; jowls broad, but horizontal, slightly 



