NO. 2054. NEW LEPIDOPTERA FROM MEXICO— DYAR. 391 



Genus METRAGA Walker. 



METRAGA COSTILINEA, new species. 



Fore wing dark bronzy brown; a slender silvery line subbasally 

 to median vein, running out along vein 2; a costo-subapical bent 

 silvery line, followed by rusty yellow; discal area shining, preceded 

 and followed by black shade lines; discal dot black, elongate, incon- 

 spicuous; a marginal whitish line with dentations at the veins. 

 Hind wing yellowish, overspread with brown in the male, brown in 

 the female; fringe touched mth dark brown at tornus. Expanse, 

 male, 19 mm; female, 30 mm. 



Cotypes. — One male, two females. No. 16502, U.S.N.M.; male, 

 Teapa, Tabasco, Mexico, January, 1913 (R. Miiller); female, Coate- 

 pec, Mexico, October, 1910 (R. Muller) ; female, Orizaba, Mexico 

 (Schaus collection). 



Family LACOSOMIDAE. 

 Genus CICINNUS Blanchard. 



CICINNUS CHABAUDI, new species. 



Violaceous gray, thickly irrorated with coarse black scales, the 

 margms of both wings smooth olive gray without irrorations; two 

 purpUsh subparallel lines rumiing across both wings, the outer more 

 distmct on hind wing than inner, on fore wmg bent at an angle at 

 vein 7, but obscure; a little fiery reddish on hind wing below outer 

 line; discal dot on fore wing purplish, followed by a white space. 

 Expanse, 50 mm. 



Type.— Male, No. 16503, U.S.N.M.; Zacualpan, Mexico, June, 

 1913 (R. Muller). 



Named for Mr. Alfredo Chabaud, who collected the species. 



FamUy THYRIDIDAE. 

 COSMOTHYRIS, new genus. 

 Palpi short, porrect, hardly exceeding the front; fore wing with 

 vems 2-11 from the cell, 6-7 from a point at apex of cell, 9 and 10 

 well removed from apex ; cell closed ; hind wing with veins 2-7 from 

 the cell, cell closed, vein 5 from near lower angle; wings triangular, 

 elongate, margms entire. 



Type of genus. — Cosmothyris tnargaretta, new species. 



COSMOTHYRIS MARGARETTA, new species. 



Pale stramineous; strigae brown, transverse,and evenly distributed; 

 a central brown band on both wmgs, either uniform and a little 

 flexuous or, on fore wing, constricted and broken centrally and on 

 hind wmg attenuated toward margin. Expanse, 21 mm. 



Cotypes. — Male and female, No. 16504, U.S.N.M. ; Cuernavaca, 

 Mexico, June, 1906 (W. Schaus); Zacualpan, Mexico, May, 1913 

 (R. Muller). 



