Dec, 1907.] Dyar : New American Lepidoptera. 229 



One rf, Mexico City, Mexico, July, 1907 (R. Mliller, No. 1141). 



Type. — No. 10923, U. S. National Museum. 



Apparently nearly allied to Pygarctia elegans Stretch, but the 

 presence of the accessory cell forbids its reference to that genus. The 

 fore tibia has a very large curved apical claw. 



Euchaetes psara, new species. 



Head, pectus and thorax blackish gray, rather roughly haired ; abdomen blue- 

 black above, gray below, the anal tuft crimson, smoothly haired except at base where 

 there is a large blackish gray tuft ; legs dark gray, the fore coxje crimson. Fore wing 

 dark gray, sprinkled with white scales, which predominate in an area below the cell 

 and in an oblique wavy band from outer third of inner margin directed towards apex 

 but becoming obsolete above. Hind wing semidiaphanous whitish sprinkled with gray 

 and with a broad gray area along costa and a narrow one on inner margin, the veins 

 dark ; beneath as above, the markings of the fore wing not visible. Expanse, 31 mm. 



One (^, Mexico City, Mexico, August, 1907 (R Miiller, No. 

 1211). 



Type. — No. 10924, U. S. National Museum. 



Family CERATOCAMPID^. 



Syssphinx colla, new species. 



Head and thorax ocherous brown, patagia violaceous. Fore wings rather dark 

 pinkish brown, the basal and marginal spaces shaded with violaceous ; inner line 

 lost; outer line straight from apex to near middle of inner margin, broad, shaded, 

 blackish violaceous ; discal dots two, white, small, in a faint brown cloud ; wing 

 sprinkled with blackish specks. Hind wings overspread with crimson, the outer 

 margin colored like the fore wing, violaceous tinted on the edge ; a large round 

 obscure blackish discal spot. Beneath the fore wings are crimson on the disk, a 

 large round black discal spot ; outer margin gray at the apex, widening below. 

 Hind wings violaceous whitish tinted, grayish at the apex, marked with darker strigse 

 along the costa. Abdomen yellowish brown above, colored like the fore wings below 

 beneath. Legs dark gray. Expanse, 80 mm. 



One male, Orizaba, Mexico (R. Muller, No. 982). 

 Type. — No. 10448, U. S. National Museum. 



Family NOCTUID^. 

 Acontia areletta, new species. 



Head black on the vertex, thorax and abdomen creamy white. Fore wings 

 creamy white at the base, crossed by several pale gray waved lines ; space beyond 

 the median line nearly solidly filled in with leaden gray and black, the creamy ground 

 showing only subterminally ; reniform and orbicular rounded, blackish filled, rather 

 large and similar ; below the orbicular a curved black line followed by leaden shad- 

 ing ; a costal, subapical, quadrate, pure white patch, preceded and followed by a 



