Erynnia. 363 



Antennæ inserted high above middle of the eye, third joint five to 

 six times as long as second; arista slightly pubescent, second joint 

 not distinctly elongated. Thorax quadratic; three postsutural dorso- 

 centrals, and three præ- and three postsutural acrostichals ; a præ- 

 sutural intraalar bristle. Scutellum with three marginal bristles on 

 each side, the median diverging. Three sternopleural bristles. Ptero- 

 pleura with a bristle above. Abdomen with excavation on second 

 segment reaching hind margin; it has discai and marginal bristles, 

 on second gegment a pair of very small or no marginal. Legs rather 

 short; anterodorsal bristles on hind tibiæ unequal; claws and pulvilli 

 in male not elongated. Wings with first posterior cell petiolate, the 

 peduncle somewhat short, ending a little before apex of wing; discai 

 angle obtuse. A small costal spine present. 



Of the genus 5 European species are recorded, one occiirs in 

 Denmark. 



1. E. nitida R. D. 



, 1830. R. D. Myod. 126, 1 et 1863. Posth. I, 927, 1. — 1889. B. B. Denk- 

 schr. Akad. Wiss. Wien, LVI, 106, Tab. V, Fig. 103. — 1896. Pand. Rev. 

 Entom. XV, 119. — 1907. Kat. palåarkt. Dipt. III, 305. — 1912. Villen. Wien. 

 Ent. Zeitg. XXXI, 94. — 1921. Baer, Zeitschr. f. angew. Ent. VII, 160. — 

 1924. Stein, Arch. f. Naturgesch. 90, 6, 103. 



Male. Frons above broader than the eye. Orbits greyish, cheeks 

 and jowls more silvery; frontal stripe dark brown. Vibrissæ not 

 reaching the frontal bristles. Orbits with black hairs, among which 

 a couple of bristly; jowls with hairs only behind. Occiput blackish 

 grey, with yellowish hairs below and black hairs behind postocular 

 bristles. Antennæ black; arista thickened in about basal half. Palpi 

 yellow. Thorax black, shining, slightly bkiish grey pruinose on front 

 part, and here with four indistinct black stripes; it is black-haired. 

 Abdomen black, shining, black-haired, with discai and marginal 

 bristles, second segment with a pair of very small marginal, third with 

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

 row of marginal bristles; fifth segment with bristles nearly all over. 

 Genitalia small. Legs black; anterodorsal bristles on hind tibiæ 

 somewhat dense, but unequal. Wings slightly tinged; veins dark 

 brown; posterior cross-vein about at middle between medial cross- 

 vein and angle. Squamulæ yellowish. Halteres dark brown. 



Female. I have not seen the female. 



Length 4 mm. 



