82 INSECUTOR INSCITIit MENSTRUUS 



out. Both scales of teguiae with about same infuscation as wings or a 

 little darker. 



Type, female, TD4 1 68 (fly, subtubular uterus, blackish maggots). 



Huascaraya, new genus. 



More allied to Trichopora than is Gahanimyia, from the latter of 

 which it differs as follows : Wings deeply and evenly infuscate, front tarsi 

 of female conspicuously dilated in joints 2 to 4 ; second aristal joint 

 always strongly elongate, three or more times as long as wide ; abdomen 

 not quite so strongly convex above. Female with two proclinate orbital 

 bristles, and one reclinate one behind these outside of the inner reclinate 

 bristles. Cheeks about three-fourths of eye-height in male and slightly 

 less than eye-height in female. Proboscis fully one and one-half times 

 head-height when extended full length. 



Scutellum with short thin pile on disk and a very weak separated discal 

 pair of bristles. Abdomen with ordinary short pile ; second segment with 

 one medieui discal pair of macrochaetae, one median marginal pair, one 

 or two lateral marginal bristles, eind one lateral discal bristle ; third seg- 

 ment with marginal row, one median discal pair, and two to four lateral 

 discal bristles on each side ; anal segment with marginal and submarginal 

 rows of bristles and a transverse discal row in front of these. 



Reproductive habit, larviposition of colored maggots. 



Type, Huascaraya tegulata, new species. 



Huascaraya tegulata, new species. 



Length of body, 8 to 1 mm. ; of wing, 8 to 9.5 mm. One femal 

 east base of Huascaray Ridge, about 7,000 feet, September 22, 191 

 on foliage ; two females and one male, Uruhuasi Bridge, San Gaban Canj 

 yon, about 6,500 feet, February 3, 1910, on flowers of Baccharis sp? 



Metallic bluish-black, shining ; face, cheeks, and occiput silvery-white 

 poUinose ; frontalia velvet-brown, lunula pale ; antennae brown ; occipi- 

 tal pile white. Thorax with very thin silvery bloom, without tawny pol- 

 len, with four moderately heavy but faint vittae. Whole dorsum from 

 first two antennal joints and parcifrontals to abdomen metallic bluish shin- 

 ing, the abdomen especially polished and with posterior half of anal seg- 

 ment tawny-pollinose, the pollen of anal segment extended forward on 

 sides and median line not quite to front border of segment. Venter 

 rather silvery poUinose on each side of ventral plates, the anal segment 

 more tawny. Femora and tibiae very faintly poUinose or hardly at all IJ 



