368 PROCEEDINGS OF THE NATIONAL MUSEUM. vol. 47. 



Family LITHOSIIDAE. 

 NUDUR, new genus. 

 Fore wing with 10 veins, 3 from before angle of cell, 4, 5 from cross 

 vein, 6 from apex of cell, 7 to 10 coincident, 11 free. Hind mng with 

 3 from close to angle of cell, 5 from center of cross vein, 6 and 7 coin- 

 cident, 8 from beyond middle of cell. Hind tibia vnih. 4 small spurs; 

 palpi slender, porrect; tongue well developed. 



Type of the genus. — Nudur fradivittarum, new species. 



NUDUR FRACTIVITTARUM, new species. 



Fore wing ocher yellow, stained ^vith red around the markings; 

 markings dark slate color; a straight band from base to middle of 

 outer margin, starting from a small basal costal mark; a short band 

 at base on inner margin and another before tornus; two oblique 

 bands on costa, starting as straight costal dots, then abruptly swept 

 outward at inner and outer thirds, respectively. Hind wing dark 

 rosy with small dark rOunded patch at apex. Expanse, 18 mm. 



Type.— Male, No. 15455, U.S.N.M., Misantla, Mexico, May, 1912 



(R. Muller). 



Genus AFRIDA Moschler. 



AFRIDA COAGULATA, new species. 



Fore wing silvery white; a purpUsh brown, black-edged patch on 

 costa at base; a large quadrate one on middle of costa; a large one 

 on outer margin extending inward centrally; six broken, angular, 

 black lines arising from inner margin to cell; two dots on costa before 

 apex. Hind wing whitish, stained with gray, especially in discal dot 

 and margin. Expanse, 18-21 mm. 



Cotypes.—Msde and female, No. 15456, U.S.N.M.; Tehuacan, 

 Mexico, September, 1908 (R. Muller); Oaxaca, Mexico (Schaus 

 collection) . 



AFRIDA ZOEPHILA, new species. 



Fore wing silvery white; no basal dark patch, the costal area a 

 little luteous stained within the irregular broken black inner line; 

 central costal patch rounded below, purple brown, black outlined; 

 marginal patch large, extending inward centrally, edged with black 

 dots and dashes; two angular lines below cell, diverging on vein 1, 

 the space between them luteous stained. Hind wing smoky fuscous 

 throughout. Expanse, 15 mm. 



Cotijpes.—Ma\e and female, No. 15457, U.S.N.M.; Orizaba, Mexico, 

 July, 1910 (R. Muller); Juan Vinas, Costa Rica (W. Schaus). 



AFRIDA ZOLDA, new species. 



Fore wing silvery white, without basal or costal dark patches; 

 marginal patch large, produced inward centrally; inner line irregular, 

 angled and broken; outer line sharply angled subcostally, then 

 nearly even and close to marginal patch, broken below; two dashes 



