166 INSECUTOR INSCITI/^ MENSTRUUS 



the femora whitish beneath nearly to the tips, without con- 

 spicuous knee-spots. Claws toothed. 



Types, four females, No. 31559, U. S. Nat. Mus. ; Kerrville, 

 Texas, June 20, 1907, "in a deep canyon; bites fiercely" (F. C. 

 Pratt).' 



Aedes niphadopsis, new species. 



Head with white and brown scales intermixed, the white 

 predominating on vertex and sides below ; mesonotum with 

 dark brown scales dorsally, a little intermixed with white, 

 especially in narrower sublateral posterior lines, predominating 

 on the sides and around antescutellar space. Abdomen black 

 above, with very broad white basal segmental bands, more 

 or less diffused and tending to form a dorsal white stripe, often 

 distinct ; last segment nearly wholly white ; venter gray-white, 

 with medio-ventral black spots at the bases of the segments. 

 Legs black, the femora white nearly to tips, tibiae and even 

 the first two tarsal joints with gray-white scales predominating. 

 Wing-scales black, with many white ones intermixed on costa, 

 first vein and the veins bordering the basal cell. Proboscis 

 black with a sprinkling of white scales. Claws toothed. 



Types, three females. No. 215G0, U. S. Nat. Mus.; Salt 

 Lake County, Utah, April 10 and 15, 1914 (C. T. Voorhies). 



Aedes epinolus Dyar and Knab. 



This was described from females from Peru (Ins. Insc. 

 Mens., ii, 61, 1914). We have a male before us from Guay- 

 aquil, Ecuador (Dr. F. Campos R.). 



Genitalia. — Side pieces long, cylindrical, with a triangular 

 basal lobe, bearing a group of setae with tubercular bases. 

 Clasp filament simple, but swollen at the basal third. Harpes 

 conical, with small apical hooks. Unci cylindrical, thin, the 

 tips incurved and approximate. Harpagones with slender 

 columnar curved stems, finely pilose within ; filament narrow, 

 curved, pointed and with a sharp retrose spine on one side. 



Aedes innuitus, new species. 



Head and mesonotum black, in the male specimens before 

 us without scales, but the setfe long and unusually abundant ; 



