Exorista. 311 



324. — 1907. Villen. Wien. Ent. Zeitg. XXVI, 252, 26. — Parexorista inter- 

 media B. B. 1891. 1. c. LVIII, 319 et 324. — 1907. Villen. 1. c. 252, 27. 



Male. Frons above as broad as the eye, slightly protruding; 

 orbits fully as broad as frontal stripe. Orbits and face bluish white, 

 the former black above; jowls more grey; frontal stripe velvet black. 

 Frontal bristles descending to insertion of arista, the three upper 

 reclinate. Vibrissæ a little ascending. Orbits with fme, jowls with 

 stronger black hairs. ^ Occiput grey, with whitish hairs and black 

 hairs behind postocular bristles. Eyes with short pale hairs. Antennæ 

 greyish black, third joint fully twice as long as second; arista not 

 long, thickened in about basal half, second joint a little elongated, 

 Palpi black. Thorax black, shining, a little greyish pruinose at the 

 sides; scutellum reddish in apical half. Thorax black-haired ; four 

 postsutural dorsocentrals. 3cutellum with four marginal bristles on 

 each side, the apical crossing. Four sternopleural bristles. Abdomen 

 ovate, black, a little reddish translucent at the sides, third, fourtli 

 and fifth segment with a bluish white pruinose front band, somewhat 

 shifting according to view, the hind margins black, shining; a narrow 

 black middle stripe visible. Abdomen black-haired, second segment 

 with four, third with six and fourth with a row of marginal bristles; 

 further smaller, somewhat irregular discai bristles. Legs black; hind 

 tibiæ with an anterodorsal row of not quite equal bristles, with a 

 couple of longer bristles; claws and pulvilli not much elongated, 

 especially on posterior legs. Wings slightly tinged, brownish at base; 

 veins brown; first posterior cell ending at some distance from apex of 

 wing; apical cross-vein about straight; posterior cross-vein doubly 

 curved. Squamulæ white. Halteres brown. 



Female. I do not know the female, it is described by B. B. 1. c. 

 as intermedia. 



Length. About 8 mm. 



E. cincinna is very rare in Denmark, I know only one specimen, 

 a male, taken in Ruderhegn ^^g 1916 (Kryger). 



Geographical distribution: — Europe; not known north of 

 Denmark. 



3. E. confinis Fall. 



1820. Fall. Dipt. Suec. Muse. 32, 65 {Tachina). — 1824. Meig. Svst. Beschr. 

 IV, 396, 274 {Tachina) et 1838. VII, 261, 4 {Phorocera). — 1838". Zett. Ins. 

 Lapp. 644, 41 et 1844. Dipt. Scand. III, 1140, 138 (Tachina). — 1862. Schin. 



^ My specimen which is determined by Villeneuve has no bristles outside the 

 lower frontals. 



