538 Sir G. F. Ilampson 07i new 



Wtvreen veins G and 1, very obliijue from vein 4 to middle of 

 vein 1 ; a curved punctlform brown subterminal line from below 

 costv to submedian fold ; a terminal series of slight brown points. 

 Hind wing silvery white, the costal area slightly tinged with brown 

 except towaixls 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 

 t<?ruiinal half of costa of fore wing. 



2 • Palpi irromted 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 Avith red-brown. 



JIab. AiuiENTTNA, Gran Chaco, Florenzia {Wagner), 2 J, 

 Santi Fe, Ocampo {War/ner}, 2 6,19- tn^e. ^.r/?., 6 30-36, 

 2 -i2 mm. 



(8 c) Enipn carnealis, sp. n. 



$ . Head and thorax ochreous white tinged with rufous ; 

 abdomen white tinged with ochreous ; palpi Avhite, slightly 

 irrorated with brown above ; pectus, legs, and ventral surface of 

 al)domen white tinged with ochreous. Fore wing ochreous tinged 

 with rufous and slightly in-orated with dark brown scales except on 

 costal area, the costal edge white ; a prominent black discoidal 

 point ; a tenninal seiies 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. 



Ual. Paraguay, Sapuoay (Foster), 1 $ t^-pe ; AEGENXiiirA, 

 Santa Fe, Ocampo ( Wagner), 1 $ . Exp. 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 ; antennae of 

 jiiale laminate and minutely ciliated. Fore wing with the apex 

 rounded, the termen evenly cui-ved ; vein 3 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 

 wth vein 3 from angle of cell ; 4, 5 stalked ; 6, 7 from upper 

 angle, 7 anastomosing with 8. 



(1) Hypiesta argyrogramma, sp. n. 



6 . 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 Avhitish 

 iiTorated with dark brown to end of cell, the postmedial area 



