190 KANSAS UNIVERSITY QUARTERLY. 



Pang-onia diaphana Schiner, Reise der Novara, Dipt. i,43. Chile 



Two specimens from Brazil, agreeing well with the description. 

 The palpi are long and slender; the basal annulus of the third an- 

 tennal joint is thickened, and the last is long and style-like. 



Pang-onia arcuata, n. sp. 



Eyes bare. Ocelli present. Front narrow; dark ochraceous, with 

 a slender dark line in the middle. First two joints of the antennae 

 yellow, the third yellowish red; third joint considerably dilated at 

 the base, the eighth annulus long, style-like. Face mostly yellowish 

 in ground-color, lightly dusted, receding in profile. Palpi yellow, 

 the second joint much elongated, arcuate and porrect, extending as far 

 forward as do the antenna. Proboscis stout, scarcely as long as the 

 thorax, black. Mesonotum yellow, but little shining, thinly yellowish 

 and blackish pilose. Pleurae densely white pollinose and with white 

 pile. Abdomen moderately elongated, shining, thinly black pilose, 

 except on the hind margins of the segments where it is white: first 

 segment light translucent yellow; second segment yellow with the 

 anterior margin in the middle more or less brownish; third segment 

 dark brown with the hind margin yellow; remaining segments nearly 

 black, with the hind margin narrowly pallid yellow. Legs yellow, 

 the hind tibiae and tarsi for the most part brown. Wings tinged with 

 brownish, in front yellowish; anterior branch of the third vein with 

 a long stump; first posterior cell closed. Length 14 mm. 



Two specimens, Chapada, Brazil, H. H. Smith. 



Pangonia filipalpis, 11. sp. 



Eves bare. Ocelli present. Front narrow; yellow, with a slender, 

 denuded streak. First two joints of the antennae yellow, the third 

 orange-red; basal segment broad, the annulate portion slender, the 

 terminal annulus long, style-like, as long as the preceding four annuli 

 together. Palpi yellow, the second joint long, slender and arcuate. 

 Proboscis stout, a little longer than the vertical diameter of the head, 

 black, the labella short. Face receding in profile, covered with yel- 

 lowish dust. Beard scant, nearly white. Mesonotum deep brown or 

 black beneath the yellowish dust, forming three broad, nearly conflu- 

 ent stripes and leaving the lateral margins yellow. Pleurae brown and 

 yellowish, with white pile. Scutellum nearly black, whitish dusted. 

 Abdomen elongate; first segment light yellow, with a black spot 

 beneath the scutellum; second segment light yellow, with a black 

 spot in the middle in front; third segment black, with the hind part 

 yellow, the immediate margin pallid yellow; the remaining segments 

 black, with a palid yellow hind margin. Legs black. Wings tinged 



