384 PROCEEDINGS OF THE NATIONAL MUSEUM vol.86 



color of fore wing brownish rather than gray ; transverse dark sliade 

 from outer upper angle of cell to inner margin pale brown; ante- 

 medial and subterminal lines interrupted, the latter indicated only by 

 blackish scaling on the veins; a pale brownish shade in area bor- 

 dering inner margin; hind wing pure white, with a very faint fus- 

 cous shade along costa and a thin pale-fuscous line on termen for a 

 short distance from apex. 



Alar expanse, 45 mm. 



Female. — Similar to the male in color and markings except that 

 on the hind wing the fuscous line on the termen is a trifle broader 

 and extends nearh' to the anal angle of the wing. There is also 

 some fuscous scaling on the veins. 



Alar expanse, 45 mm. 



Genitalia (figs. 71-71a) without signum. 



Type and parafype. — ^U.S.N.M. no. 52752. 



Type locality. — Huanuco, Peru. 



Food plant. — Opuntia {Platypuntia) ficits-indwa (Linnaeus). 



Remarks. — Described from female type and male paratype from 

 the type locality, reared December 12, 1928, by R. C. Mundell from 

 larvae feeding in the fruits of Opuntia {Platypuntia) -ficiis-indica. 



The male paratype was in rather poor condition when received and 

 had no abdomen. 



3. SIGELGAITA TRANSILIS. new species 



Plates 30, 50; Fioubes 27-27d, 127-127c 



Male. — Palpi, head, thorax, and fore wing dark grayish fuscous 

 finely peppered with white, giving them a slate-gray color. Fore 

 wing with antemedial and subterminal lines obscured, indicated by 

 faint whitish lines bordered, for a short distance from costa, by 

 blackish streaks; discal spot at end of cell blackish, rather large; a 

 row of black dots along termen between the vein ends. 



Alar expanse, 26 nmi. 



Genitalia (figs.27-27c) with harpe narrower than that of chilensis, 

 vinculum considerably longer, and aedeagus slenderer and appre- 

 ciably tapering toward apex. 



Femxile. — Unknown. 



Type.—V.S.'^M. no. 52753. 



Type locality. — Santa Eulalia, Peru. 



Food plant. — Trichocereus sp. 



Remarks. — ^Described from male type reared November 26, 1936, by 

 Johannes Wille from larva feeding in fruit of an undetermined 

 species of Tnchocereus (Wille no. 329-36). 



