NO. 1935. MU8C0ID FLIES FROM SOUTH AMERICA— TOWNSEND. 333 



segment with a marginal row of shorter ones and a submarginal row 

 of still shorter ones. Anal segment likewise without discal, with 

 marginal and submarginal rows continued in short ones on venter. 

 Apical cell open well before wingtip. Fourth vein bent at right angle, 

 deeply bowed in beyond bend. Hind cross vein sinuate and nearer 

 to bend of fourth than to small cross vein. 



Reproductive habit, almost certainly leaf-larviposition of colored 

 maggots. 



Type-spedes. — (Estrohystricia suhalpijia, new species. 



(ESTROHYSTRICIA SUBALPINA, new species. 



Length of body, about 12 mm.; of wing, 12 mm. One female, 

 Watkins's camp in canyon of Rio San Gaban, montana of southern Peru, 

 about 11,500 feet, February 16, 1910, on flowers of a shrub. 



General color yellow to brownish-yellow. Head yellow with sHght 

 brownish tinge, dusky on parafrontals, with faint silvery bloom over 

 all, epistoma rather shining yellow and translucent. Peristomal 

 region yellowish. Frontalia and first two antennal joints yellowish- 

 red, third joint and arista blackish. Occiput ashy, with golden-gray 

 pile. Pleuras faintly silvery-cinereous, reddish above. Scutellum 

 and lateral edges of mesoscutum reddish-brown; the middle of first 

 abdominal segment, the spined median one-third of second segment, 

 the hind margins of third and fourth segments and the femora practi- 

 cally same shade of reddish-brown. The disk of mesoscutum and 

 disk of third and fourth abdominal segments dusky-olive, with faint 

 brassy-cinereous bloom. Venter, lateral one-third on each side of 

 first and second abdominal segments and lateral edge of third seg- 

 ment light yellow; tibiae and tarsi bright yellow. Claws and pulvilH 

 moderately long. Wings smoky throughout, the basal-cell area and 

 three crossveins clouded black, the extreme base and median costal 

 area yellowish. Tegulae blackish-infuscate. 



Type,— C&t. No. 15171, U.S.N.M. 



DEJEANIA ANDINA, new species. 



Length of body, 13 to 14 mm.; of wing, 11.5 to 12 mm. Four 

 females and four males, Ollachea, canyon of the Rio San Gaban on 

 east slopes of Cordillera Oriental in montana of southern Peru, about 

 9,500 feet, February 2, 1910, on flowers of an euphorbiaceous shrub. 



Close to hrasiliensis Robineau-Desvoidy and armata Wiedemann. 

 Differs in having no yellow whatever on legs. Front, frontalia, 

 mesoscutum, and scutellum all nearly same shade of color, being a 

 brownish-yellow. First three segments of abdomen are clear tawny- 

 yellow, except black spot in middle of first. Fourth segment shining 

 black except front border on sides yellcjw. Whole of face and cheeks 

 soft light tawny-yellow. Pleuras grayish-yellow. Legs wholly yel- 



