538 - Sir G. F. Hampson on new 
between veins 6 and 1, very oblique from vein 4 -to middle of 
vein 1; a curved punctiform brown subterminal line from below 
costa to submedian fold; a terminal series of slight brown points. 
Hind wing silvery white, the costal area slightly tinged with brown 
except towards apex ; an indistinct curved brown subterminal line 
from costa to vein 2. Underside of fore wing and costal area of 
hind wing suffused with brown except on terminal areas and on 
terminal half of costa of fore wing. 
2. Palpi irrorated with paler brown above; fore wing much 
less strongly irrorated with brown and with hardly a trace of the 
postmedial series of points on the punctiform postmedial line ; 
hind wing wholly white with the subterminal line ; underside with 
the disk of fore wing only tinged with red-brown. 
Hab. Argentina, Gran Chaco, Florenzia (Wagner), 2 3, 
Santa Fé, Ocampo (Wagner), 2 3,1 2 type. Huxp., 5 30-86, 
2 42 mm. 
(8c) Erupa carnealis, sp. n. 
Q. Head and thorax ochreous white tinged with rufous; 
abdomen white tinged with ochreous; palpi white, slightly 
irrorated with brown above; pectus, legs, and ventral surface of 
abdomen white tinged with ochreous. Fore wing ochreous tinged 
with rufous and slightly irrorated with dark brown scales except on 
costal area, the costal edge white; a prominent black discoidal 
point ; a terminal series of slight dark points. Hind wing silvery 
white with a faint ochreous tinge. Underside white, the fore wing 
and costal area of hind wing tinged with red-brown. 
Hab. Paraguay, Sapucay (Foster), 1 9 type; ARGENTINA, 
Santa Fé, Ocampo (Wagner), 1 2. Hap. 34-42 mm. 
Genus HYPIEsTa, nov. 
Type, H. argyrogramma. 
Proboscis aborted and minute ; palpi downcurved, extending about 
twice the length of head and fringed with rough hair; maxillary 
palpi triangularly dilated with scales; frons smooth; antennz of 
male laminate and minutely ciliated. Fore wing with the apex 
rounded, the termen evenly curved; vein 8 from before angle of 
cell; 4, 5 from angle; 6 from below upper angle; 7 from angle ; 
8, 9, 10 stalked ; 11 becoming coincident with 12. Hind wing 
with vein 8 from angle of cell; 4,5 stalked; 6, 7 from upper 
angle, 7 anastomosing with 8. 
(1) Hypiesta argyrogramma, sp. n. 
3d. Head, thorax, and abdomen white tinged with brown ; palpi 
whitish irrorated with dark brown ; pectus, legs, and ventral surface 
of abdomen whitish suffused with brown. Fore wing whitish 
irrorated with dark brown to end of cell, the postmedial area 
