PROC. ENT. soc. WASH., VOL. 22, NO. 8, NOV., 1920 207 



in front. Thorax and abdomen above lavender-gray; the latter with the 

 last segment and anal hairs orange, the genitalia tuft white; venter yellow. 

 Legs orange. Fore wings: base of costa and inner margin lavender-gray; 

 costa otherwise shaded with ochreous, the inner margin otherwise and ter- 

 men broadly dark grayish brown; disc of wing more thinly scaled, iridescent 

 blue, irrorated with dark gray below cell, with dark brown postmedially, 

 and crossed by dark veins. Hind wings gray broadly shaded with fuscous 

 terminally, the di=c thinly scaled. Wings below grayer, the disc of fore 

 wing only faintly tinged with blue. 



Expanse, 32 mm. 



Habitat. Cayenne, French Guiana. 



Type. Cat. No. 2.37%, U. S. X. M. 



Near P. disciiridescens Hampson. 



Phostria carusalis, new species. 



Male. Palpi black, at base white. Frons fuscous with a pale yellow line 

 in front. Collar dark brown with a yellow spot laterally. Thorax and 

 abdomen above fuscous brown, the patagia and base of abdomen laterally 

 bright yellow. Body below whitish; mid and hind tibiae outwardly light 

 brown; fore tibiae and base of tarsi outwardly dark brown; tarsi ochreous. 

 Fore wings deep purple irrorated W'ith black; costal margin dull fuscous 

 brown; a bright yellow spot from base of inner margin, its anterior edge 

 straight below base of cell, then downcurved to middle of inner margin; a 

 broad, oblique, bright yellow fascia from end and beyond cell from sub- 

 costal to below vein 2. Hind wings bright yellow, rather thinly scaled; 

 termen dark purple from inner margin, expanding above vein 3, then narrow- 

 ing to a point at middle of costal margin; cilia dark silky brown with some 

 fuscous shadings. Wings below somewhat duller. 



Expanse, 26 mm. 



Ha bitat . Bolivia . 



Type. Cat. No. 2.37)7, U. S. N. M. 



Near P. delilalis Walker. 



Dichocrocis gyacalis, new species. 



Female. Palpi ochreous, laterally dark brown on terminal half. Head, 

 collar, thorax, and abdomen above grayish brown, the patagia mostly pale 

 yellow r . Fore wings pale yellow; costal margin broadly dark silky gray to 

 below cell at base, leaving only the terminal lower half of cell yellow, beyond 

 cell extending to middle of discocellular then slightly narrower; a fuscous 

 gray spot on discocellular; termen dark silky gray, the inner margin more 

 narrowly so, and not reaching base; the marginal shade is inwardly finely 

 edged with dark brown. Hind wings pale, the termen dark silky gray; a 

 faint spot on discocellular. Wings below paler; the inner margin of fore 

 wing whitish yellow; hind wings with only a fine brown terminal line. 



