INSUCUTOR INSCITI^ MENSTRUUS 175 



Erythromelana jaena, new species. 



Length, 7 to 8 mm. One male and one female, Huascaray 

 Ridge, Jaen Province, Peru, 7,000 feet, September 21, 1911 (C. 

 H. T. Townsend). 



Abdomen wholly fulvo-rnfous in both sexes. Palpi fulvous. 

 Face and orbits silvery. Antennae, frontalia, postscutum and 

 scutellum black. Prescutum black with thin silvery pollen, 

 leaving five vitt?e, the three inner ones narrow. Humeri and 

 pleura silvery. Legs blackish, hind tibiae of male and front 

 and hind tibiae of female fulvous on middle. Tegulae glassy- 

 yellowish. Wings smoky-yellowish in greater part. 



Binghamimyia, new genus. 



Genotype, Binghamimyia reclinata, new species. 



Allied to Tlielaira. Clypeus distinctly sunken below crests 

 of facialia. Palpi not as long as third antennal joint, slender, 

 subcylindrical. Arista bare, thickened nearly half way. Third 

 antennal joint nearly three times second. Eyes bare. No 

 ©cellars. Frontals stopping about even with base of antennae, 

 last three pairs reclinate and strong. Parafacialia bare, strong- 

 ly narrowed below. Cheeks about one-fifth eye length in male. 

 Two sternopleurals and three postsuturals. Apical cell elon- 

 gate, open a little before tip. Median marginal pair on first 

 two segments, median discals on intermediate segments. 



Binghamimyia reclinata, new species. 



Length, 10.5 mm. One male, Santa Ana, Peru, 3,000 feet, 

 August 3, 1911, collected by the Yale Peruvian Expedition, led 

 by Dr. Hiram Bingham, in whose honor the genus is named. 



Abdomen rufous, more or less broadly blackish on disk of 

 segments. Head silvery poUinose with a slight golden tinge. 

 Palpi very pale yellowish or straw-color, fuscous on base. 

 Antennae blackish, second joint obscurely fulvous. Frontalia 

 brown. Thorax, scutellum and the blackish disks of abdominal 

 .segments pollinose with faint golden tinge ; two narrow inner 

 and two broad outer thoracic vittae blackish. Legs dark brown. 

 Tegulae nearly white. Wings clear. 



