INSECUTOR INSCITI^ MKNSTRUUS 11 



margin; some irregular narrow white marks, representing sub- 

 basal, inner, outer and subterminal lines, nearly straight, except 

 the inner, which is angled, and obsolete above. Hind wing 

 pale gray, darker at margin; fringe whitish. Expanse, 15 mm. 



Type, male, No. 24933, U. S. Nat. Mus.; Yanco, Porto 

 Rico, September 8, 1921 (F. Sein, communicated by G. N. 

 Wolcott). 



Mr. Wolcott states that the larvae feed on lichens, being of 

 the same color as the lichen, marked with brown, a beautiful 

 example of protective resemblance. 



Polionycta apicata Hampson. 



Polionycta apicata Hampson, Cat. Lep. Phal. Brit. Mus., viii, 



41, 190». 

 Cropia dimorpha Dyar, Proc. U. S. Nat. Mus., xlvii, 176, 1914. 



Metaxyllia metallicella, new genus and species. 



Fore wing with areole; fore tibiae and tarsi without claws; 

 f rons with rounded prominence ; abdomen with dorsal crests 

 on basal segments; proboscis well developed; metathorax with 

 divided crest. 



Black ; fore wing with a white area beyond outer line, widen- 

 ing to tornus, in which are relieved three round black spots; 

 ordinary lines obscure, subbasal, inner and outer black, wavy, 

 the latter excurved over cell ; stigmata black, with metallic blue 

 shadings in median space ; subterminal line leaden, waved ; 

 fringe long, with obscure black spots. Hind wing dull black. 

 Expanse, 18-20 mm. 



Types, two males. No. 24933, U. S. Nat. Mus.; Cuernavaca, 

 Mexico (gift of W. D. Kearfott) ; near Mexico City, Mexico, 

 July, 1921 (R. Miiller). 



Pseudacontia cephalica Smith. 



Stylopoda cephalica Smith, Trans. Am. Ent. Soc, xviii, 131, 1891. 

 Pseudacontia modestella Barnes & McDunnough, Cont. Nat. Hist. 

 Lep. N. A., iv, 110, 1918. 



Subfamily NOCTUIN^ 

 Focilla planitis, new species. 



Dark brown, the fore wing with a large brown triangular 



