AMERICAN DIPTERA. 213 



Drapetis gilvipes Loew. 

 Cent. X, p. 61. 



Black, very shining. Antennse black, shorter than in unipila ; third joint 

 short and roiind-ovate ; seta very long. Palpi dull yellow. Thoracic dorsum 

 covered with short blackish pubescence; except for the sides and hind margin, 

 devoid of longer black pile. Pleurae provided with no pollen at all, very shin- 

 ing. Abdomen black and shining, the second, third and fourth segments of the 

 described specimen dusky whitish, the hind margin of each black; in older 

 specimens, perhaps, the whole abdomen is black. Legs, together with the 

 coxse. strong yellow, the hind metatarsi and the apex of all the tarsi fuscous or 

 almost black. Middle femora stronger, but not thickened, the other femora 

 moderately and evenly thickened. Front and middle tibiaj armed with apical 

 setulse; apex of the hind tibiae simple. Halteres whitish. Wings cinereous, 

 veins dark fuscous; first and second veins but very little curved, the third vein 

 nearly straight, meeting the costa a little before the apex of the wing, fourth sub- 

 parallel with the third, not undulating, the apical third of its last segment, how- 

 ever, bending back slightly ; posterior basal cell longer than the anterior. 

 Length 1.3 mm. 



Texas, Bosque Co. 



I>rapeti»i flavida Williston. 

 Trans. Eut. Soc. Loud., 1896, p. 308. 



Yellow or reddish yellow; head and the fourth abdominal segment black. 

 Occiput, vertical triangle and the front black. Eyes contiguous below the an- 

 tennae, subcontiguous above. Antennae yellow, the third joint sometimes brown- 

 ish. Thorax reddish yellow, mesonotum shining, with light colored hair and 

 bristles; hind tibiae in the male with a stout curved spur at the tip ; hind femora 

 less thickened than the middle ones; the front pair considerably thickened. 

 Wings hyaline; the outer portions of the third and fourth veins parallel or very 

 slightly divergent. Length 2-2.5 mm. 



St. Vincent, Hayti, Vera Cruz, Orizaba, Yucatan, Louisiana. 



ULiAFHROPEZA Meigen. 



Small, Platypalpus-Vike species. Antennae apparently two jointed, 

 the end joint lengthened, with a long arista. Proboscis shorter than 

 the head, vertical ; palpi shorter than the proboscis. Face narrow, 

 vertex a little broader. Legs but little thickened. Wings with 

 unforked third vein and with no discal nor anal cell ; cross-veins 

 approximated. 



But one species in our fauna. The genus was not discovered on 

 this continent before. 



Elapliropeza montana sp. nov. (figs. 7, 8). 

 Length 2 mm. Black, shining. Eyes contiguous below the antennae. Pro- 

 boscis small, black, palpi lutescent. Antennae yellow or fuscous at the base, third 

 joint lanceolate, conical, black, heaving a short, stout, terminal arista, whose 



TKANS. AM. ENT. SOC, XXVIII. JULY, 1902. 



