12I<; XOCTUID-E. 



*45S4. ? Lythrodes semiluna. 



Lythrodea semiluna, Siuilli, Can. Ent. xxxvii. p. G7 (1905). 



(S . Head, thorax, and abdomen white witli a faint olive tinge, 

 the thorax with olive scales mixed. Fore wing white with a faint 

 olive tinge ; au olive-hrown medial shade, incurved, its inner edge 

 well defined, its outer edge diffused to licyond the cell, where 

 another shade arising from costa before apex curves inwards, then 

 outwards to termen at vein 3, this dark area growing paler out- 

 wardly, leaving the apex and veins white; orbicular re]irosented by 

 some blackish scales on the medial shade, the reniform by a slight 

 dark lunule at end of cell. Hind wing white with the termen 

 narrowly fuscous ; the underside white with small discoidal dark 

 spot and postraedial and terminal dark bands. 



Hah. U.S.A., Arizona, Cochise Co. Exp. 20 millim. This 

 species is unknown to me. 



Genus ARGYRHODA. nov. 



Typp, A. laronia. 



Proboscis aborted, small ; palpi obliquely porrect, hardly rpaching beyond 

 the frontal prominence and moderately fringed witli Imir below ; frons with 

 large round corneous ))roniinence with rais^ed edges and vertical ridge in middle 

 and curved corneous plate below it ; eyes large, round ; jintenna; of female 

 ciliated ; thorax clothed with hair and scales mixed and without crests ; tibiJB 

 smoothly scaled, the fore tibia rather dilated, the tarsal joints short and the 

 ungues very large ; abdomen without crests. Fore wing with the apex pro- 

 duced and acute, the termen evenly curved and not crenulate ; veins 3 and 

 h from near angle of cell ; 6 from upper angle ; 9 from 10 anastomosing with 

 8 to form tlie areole ; 11 from cell. Ilind wing with veins 3, 4 from aimle of 

 cell ; o obsolescent from middle of discocellulars ; 6, 7 shortly stalked ; 8 anas- 

 tomosing with the cell near base only. 



4585. Argyrlioda laronia. 



Thalpochares laronia, Drnce. P. Z. S. 1890, p. 516; id. Biol. Centr.-Auj., 

 Het. ii. p. 496, pi. 95. f. 19. 



$ . Head, thorax, and abdomen brownish ochreous. Fore wing 

 brownish ochreous ; a silvery white streak below costa to the very 

 oblique silvery white antcmedial band which is diffused to base on 



Fig. 81. — Argyrhoda laronia, $. \. 



inner area ; a broad oblique silvery white medial band from cell to 

 inner margin ; the cell on medial area crimson, extending between 

 the antcmedial and medial bands to submcdian fold : an oblique 

 discoidal silvery white bar ; postmedial band silvery white, oblique 



