NO. 2152. NEW MUSCOID FLIES— TOWNSEND. 307 



Genus DICHOCEROPSIS Townsend. 



Dichoceropsis Townsend, Ent. News, vol. 27, 1916, p. 178. 



Genotype. — Dichocera orientalis Coquillett, 1897, Rev. Tach., p. 138. 



Differs from Dichocera as follows: Female. Arista longer and 

 tapered, second joint strongly elongate. Third antennal joint nar- 

 row. No discal macrochaetae present on intermediate abdominal 

 segments, no median on first two segments. Cubitus without stump. 

 Four postsuturals. No apical scutellars. The row of heavy macro- 

 chaetae on parafacials extending a little lower than eyes, the row on 

 cheeks not so developed. 



ATRACTOCEROPS, new genus. 



Genotype. — Atractocerops ceylanica, new species. 



Differs from Epidexia as follows: Female. Vertex about one- 

 third head-width, frontalia a little wider than one parafrontal. Two 

 inner reclinate orbitals. Antennae set much higher; cheeks much 

 wider, about one-third of eye-height. Parafacials rather wide, some- 

 what sprung or bulged, of nearly even width or slightly widening 

 below. Facial plate very long, narrow; facialia finely ciliate hardly 

 haKway up. Second antennal joint not so elongate; the third four 

 or five times as long and well narrowed. Three sternopleurals, four 

 postsuturals. Apical decussate pair of scutellars nearly as strong as 

 the three laterals. No discals on intermediate abdominal segments; 

 no median on first two segments; discal and marginal rows on anal 

 segment. Abdomen ovate. Tarsi short, claws short. Apical cell 

 rather pointed at tip, closed in margin just before wing-tip; cubitus 

 close to inner margin; apical cross vein nearly parallel with same; 

 hind cross vein straight, slightly nearer to cubitus than to small 

 cross vein. 



ATRACTOCEROPS CEYLANICA, new species. 



Length of body, 5.5 mm.; of whig, 5 mm. One female, Pera- 

 deniya, Ceylon, April 14, 1914 (A. Rutherford). 



Palpi and antennae fulvo-rufous, the latter infuscate apically. 

 Frontalia dark rufous. Parafrontals and face silvery. Cheeks and 

 occiput ashy. Thorax and scutellum silvery, the latter fulvous 

 except base; four vittae, the outer ones heavier; postsutural scutum 

 and narrow base of scutellum appearmg blackish from behind. Abdo- 

 men dark brown; the last two segments quite widely yellowish- 

 silvery pollinose on base, the second showing only faint line of pollen 

 on incisure. Legs dark brown. Wings clear. Tegulae white. 



Holotype.—No. 20033, U.S.N.M. 



