212 PROC. ENT. SOC. WASH., VOL. 24, NO. 9, DEC., 1922 



silvery neutral gray, the inner margin broadly white. Hind wings below whitish ' 

 the costal margin dark. 

 Expanse, 24 mm. 



Habitat. Guadalajara, Mexico. 

 Type. Cat. No. 25654, U. S. N. M. 



Tetralopha basilissa, new species. 



Male. Palpi fuscous black. Head white with some fuscous mottling on 

 vertex behind. Collar pale drab gray irrorated in front with fuscous and white. 

 Thorax whitish gray with subdorsal black spots posteriorly, the patagia pale 

 drab gray with a few black irrorations. Abdomen above drab gray with darker 

 segmental lines, the basal segment white. Body below white with some black 

 scales. Legs inwardly white, outwardly mostly chestnut brown with white 

 spots on tarsi. Fore wings mostly light cinnamon drab; base irrorated with 

 black, also with white in cell and on costa; antemedial line fuscous on costa, 

 black from subcostal, thick and outcurved in cell and again below median, out- 

 bent from submedian fold to inner margin, followed on costa by some white 

 scaling; a medial outbent white line from cell to inner margin, distally finely 

 edged with black, proximally more heavily so, the space between it and ante- 

 medial from cell to inner margin clear cinnamon drab with black irrorations only 

 on fold, submedian and margin; a postmedial shade, fuscous on costa, black, 

 vertical from cell and inwardly edged with white scaling, the space before it 

 below cell pale drab gray; postmedial space irrorated with white from vein 5 

 to costa; outer line fuscous, outcurved below costa, incurved below vein 4; 

 termen shaded and irrorated with whitish; a fuscous subterminal shade below 

 costa; a terminal black line with white points on veins; cilia mottled whitish and 

 smoky gray. Hind wings white, the costa cinnamon drab; a faint drab terminal 

 line. 



Expanse, 18 mm. 



Habitat. Guerrero, Mexico. 

 Type. Cut. No. 25772, U. S. N. M. 



Tetralopha cuthmana, new species. 



Female. Head, collar and thorax white irrorated with large black scales. 

 Abdomen above white with transverse black bands anteriorly on each segment 

 and black irrorations posteriorly; underneath white with only a few black scales. 

 Legs white densely irrorated with black, the tarsi black with white rings. Fore 

 wings white thickly irrorated with black except along outer edge of medial line 

 from subcostal to inner margin; a thick antemedial black line frm costa to sub- 

 median; medial line double, mottled with fuscous, filled in with white, slightly 

 sinuous and outbent; a black point on discocellular; a fine postmedial line fol- 

 lowed from vein 6 to inner margin by a fuscous shade which is narrow on costa, 

 broad below vein 6, its outer edge dentate, outcurved beyond cell, slightly 

 incurved below vein 4 and again outcurved across submedian; a faint subterm- 

 inal fuscous, macular, line; terminal trigonate black spots; cilia whitish at base 

 followed by a black line, the tips grayish. Hind wings ochreous white, the ter- 

 men rather broadly shaded with fuscous; cilia with a light buff line at base, 



