16 PROCEEDINGS OF THE NATIONAL MUSEUM vol. 70 



yellow in the female, the antenna and arista reddish yellow; scu- 

 tellum yellowish, anterior margin narrowly black; sides of first 

 tergite yellow ; inf uscation of the wing not extending beyond fourth 

 vein except in second subbasal cell but this is only partially infus- 

 cated; apical portion of inf uscation yellowish. In the genotype 

 the brown borders the fifth vein behind to the base of the last pos- 

 terior cell, and extends thence to the posterior angle of the first 

 posterior cell, filling out this cell. 



One male, one female. 



Type locality. — Amazon (H. W. Bates). 



Type. — Male, allotype, fe'male. In British Museum. 



MALLOTA INVERSA, new species 



FeTnale. — A typical species of Mallota with pilose eyes. Frons 

 black pilose, rather broad, opaque brown, lower portion shining 

 black; antennae dark brown; face broad, concave between antennae 

 and facial tubercle which is moderate; sides of face with long, 

 sparse pile; anterior half of mesonotum with black and yellow pile 

 intermixed, posterior half and scutellum black pilose, a few yellow 

 hairs on hind margin of scutellum; legs dark brown, tarsi paler; 

 hind femur moderately enlarged with long dark pile; hind tibia 

 arcuate with closely appressed black pile along hind margin ; second 

 and the basal half of third tergites reddish yellow pilose ; apical half 

 of third black pilose, the fourth and fifth tergites yellow pilose; 

 wings with the veins broadly infuscated except at apex of wing, 

 remainder of wing hyaline; squamae and squamal cilia black. 

 Length 17 mm. ; wing 13 mm. 



Mallota colonibii Macquart has the thoracic dorsum red pilose, 

 the first three abdominal segments black pilose and the fourth and 

 fifth red pilose. In M, analis Macquart, the thoracic dorsum is 

 entirely yellowish pilose and the abdomen is largely yellowish pilose. 



Two females. 



Type locality. — Chanchamayo, Peru (W. F. H. Rosenberg). Also 

 Piches and Perene, Peru, 2,000-3,000 feet. (Soc. Georg de Lima.) 



Type.—Q2X. No. 28764, U.S.N.M. 



MALLOTA NIGRA, new species 



Female. — An almost entirely black species differing from iwoersa 

 in having the thoracic dorsum black pilose save for a few yellow 

 hairs on anterior margin and hind margin of scutellum; legs black, 

 all femora with long, rather dense, black pile; abdomen black 

 pilose on first, second and basal half of third segment; remainder 

 of adbomen with sparse yellow hairs ; wings infuscated, very faintly 

 so at apex and on posterior margin; length 12 mm.; wing 10 mm. 



One female. 



