206 THE CANADIAN ENTOMOLOGIST 
Holotype, 9 , Coy Glen, Tompkins Co., New York, altitude 
800 feet, Feb. 25, 1917 (R. C. Shannon). 
The type is in the collection of the collector. 
Chionea gracilis, sp. n. . 
Size small; form very long and slender; head round; femora 
not swollen. 
Male. — Length 3.9 mm.; diameter across the thorax, .6 mm. 
Mouth parts and palpi yellowish. Antennae yellow, the 
scapal segments long and slender, the flagellar fusion-segment 
long and slender, conical. Head rounded, yellowish. 
Thorax brownish yellow. Halteres yellow. Legs yellow, 
the tarsi scarcely darkened. 
Abdomen long and slender, about twice the length of the 
combined head and thorax. Male hypopygium not conspicu- 
ously enlarged, the pleurites slender, the appendage very long and 
slender, curved, narrowed at the tip and nearly as long as the 
pleurite. 
The body and legs are provided with a sparse covering of 
short, pale hairs. 
Holotype, cf, Ithaca, Tompkins Co., New York, December 
21, 1914. 
The description of C. scita Walker indicates a form that is 
longer than C. valga Harris {aspera Walker) and having black 
antenna?. It seems probable that C. sciia is the female of C. 
valga, the females of Chionea having the legs more slender than 
those of the male, and with the body more elongate and slender 
(see Emerton's figures, in Johnson's paper, "The Snow-fly, Chionea 
valga Harris," Psyche, vol. 14, p. 43; 1907). 
A key to the Eastern American species of the genus Chionea. 
1. Body-coloration gray noveboracensis, sp. n. 
Body-coloration reddish or yellowish 2. 
2. Form long and slender; (length of the male less than 4 mm.; 
diameter across the thorax about .6 mm.); all the legs 
elongate, slender, not at all thickened gracilis, sp. n. 
Form stouter; (length of the male over 4 mm.; diameter across 
the thorax 1 mm. or over) ; at least the posterior legs of the 
male incrassated 3* 
