1918] Dipterous Genus Drapetis Meigen 203 



Second and third sections of the costa subequal, third and fourth veins 

 converging, outer part of the fifth vein abruptly weak, sections of the 

 fourth vein proportioned 3 : 2 : 9, of the fifth vein equal. 



One specimen : Matucana, Peru, collected by C. T. Brues, 

 July 1, 1913. 



Eudrapetis plumipes, sp. nov. 

 9 . Length 1.2 mm. Black, legs blackish, the hind tibiae with 

 long, feathery, flexor hairs and with a strong terminal lappet, halteres 

 yellow, third and fourth veins convergent. Sides of the pollinose front 

 nearly parallel, face linear, whitish, upper occipital orbits polished, 

 lower orbits pruinose, ocellar bristles large and black; palpi brown, 

 without setae, proboscis black; second antennal joint with a long seta 

 beneath, third joint oval with the arista subterminal, microscopically 

 and closely hairy and more than three times the length of the antennae. 

 Thorax glistening black, only a narrow pruinose line extending from the 

 middle coxae to the halteres, pubescence long and very sparse, about 

 five short dorsocentrals visible; hairs of the abdomen rather long. 

 Anterior tibiae with two terminal bristles, hind femora with two strong 

 preapical bristles, hind tibiae with three preapical bristles on the exterior 

 side opposite the sharp lappet, hind metatarsi black. Wings somewhat 

 infumated, veins coarse, blackish, basal bristle long, the second, third 

 and fourth sections of the costa proportioned 1 : 1.2 : 0.4, first posterior 

 cell distinctly widest at its outer third, sections of the fourth vein pro- 

 portioned 1 : 0.3 : 3.2, of the fifth vein, 1 : 0.9. 



Type specimen: Austin, Texas. Paratype, Kushla, Alabama, 

 received from Dr. A. H. Sturtevant. Paratype, Orizaba, 

 Mexico, collected by Wm. M. Mann and deposited in the 

 Museum of Comparative Zoloogy of Harvard University. 



Eudrapetis quadrisetosa, sp. nov. 

 d*. Length 2 mm. Jet black, the halteres whitish. Face linear, 

 polhnose; front V-shaped, nearly shining, at the lowest part nearly as 

 broad as an antennal joint; upper orbits and vertex polished, lowest 

 third of the orbits white pruinose, oral margin broadly shining black; 

 proboscis and palpal ground-color black; second antennal joint with one 

 long bristle beneath, third joint short ovate, the slender subterminal 

 arista nearly three times the antennal length. Notal hairs long, fine, 

 brown and rather abundant, scutellum with an extra pair of long, 

 apical bristles making four long equidistant scutellars in addition to 

 the minor lateral pair. Abdomen with sparse golden hairs; pygidium 

 globose, not swelling the abdomen. Legs sturdy, nearly black, hind- 

 tibiae more brown, hind metatarsi darker than the adjacent joints, front 

 tibiae with two apical spurs, hind tibije without extensor bristles but 

 with two short but stout preapical spurs, the terminal lappet strong, 

 hind metatarsi scarcely visibly setulose. Wings subhyaline, veins dark 

 but narrow, costal sections proportioned 1 : 0.6 : 0.8 : 0.2, third and 

 fourth veins slightly convergent, sections of the fourth vein, 

 0.6 : 0.5 : 2.1, of fifth vein equal. 



