170 INSECUTOR INSCITI.^ MTJNSTRUUS 



Eyes bare. Arista plumose to tip. Apical cell open in tip. 

 Cubitus near margin, with stump. Apical crossvein deeply 

 bowed in. Hind crossvein a little nearer to cubitus than to 

 small crossvein. Abdomen with long rather thin bristles, a 

 median marginal pair on last three segments and no discals. 

 Male abdomen narrow and evenly tapered to tip, the anal seg- 

 ment short-caudate and with various bristles on the tail. 



Gymnaporia, new g^enus. 



Genotype, Gymnostylia fasciata Macquart, 1848, Dipt. Exot., 

 Suppl. Ill (ir suite), 53, pi. 6, f. 3. 



Eyes bare. Arista pubescent half way. Frontals stopping 

 at base of antennae. Third antennal joint of male three times 

 second. Male frontalia pinched out posteriorly, the eyes ap- 

 proximated. A median discal pair of bristles on third and 

 fourth abdominal segments. Anal segment of male produced 

 posteriorly, notched in ventral profile. 



Oxyaporia, new genus. 



Genotype, Gymnostylia ornata BB., 1889, Muse. Schiz', I, 60, 

 f. 213. 



Arista bare, long, thickened half way. Third antennal joint 

 of male elongate and narrow, the second joint short. Eyes 

 bare. Frontals descending three bristles below base of an- 

 tennse. Male front very narrowed. Female with two pro- 

 clinate orbitals, male without. Parafacialia hairy. Apical cell 

 open near tip. No stump at cubitus. Median discals on last 

 three abdominal segments, median marginals on all segments. 

 Anal segment of male short-conical. 



Uraporia, new genus. 



Genotype, Aporia caudata Schiner, 1868, Novara Dipt., 330. 



Eyes thickly hairy. Male frontalia triangular. Front tibiae 

 of male shorter than the tarsi. A median marginal pair of 

 bristles on each abdominal segment, but no median discals. 

 Anal segment of male caudate, notched in ventral profile, the 

 tail with many bristles. 



