IG INSECUTOR INSClTliE MENSTRUUS 



wings. Margins shallowly excavate subapically, the wings 

 rather broad. Expanse, 25-26 mm. 



Types, four males and two females. No. 24942, U. S. Nat. 

 Mus. ; Mexico City, Mexico, August, 1921 (R. Miiller). 



Subfamily CRAMBIN^ 



Platytes circumvagans, new species. 



Fore wing white, longitudinally shaded with blackish on 

 costa, in discal fold beyond cell and along submedian fold; a 

 median shaded line, running out elliptically around cell, in- 

 wardly oblique below to inner margin; a zig-zag subterminal 

 line, the longest tooth at vein 1 ; terminal and discal dots black. 

 Hind wing white. Expanse, 20 mm. 



Type, female. No. 24944, U. S. Nat. Mus. ; Mirador, Mexico, 

 June, 1921 (R. Miiller). 



Subfamily PHYCITIN.^ 

 Diroyctria stenopteryx, new species. 



Fore wing long and narrow, gray; marked by many black 

 spots ; two spots at base ; two beyond, with subcostal streaks ; 

 inner line indicated belovv median vein, preceded by two spots 

 and followed above by subcostal streaks ; an oblique row ot 

 spots and venular streaks to discal spot, which is single (lower) ; 

 a faint pale subterminal line, cutting the black veins into paired 

 spots ; terminal dots nearly conjoined. Hind wing hyaline, 

 pellucid, gray narrowly on costa and double terminal line. 

 Expanse, 27 mm. 



Types, four males. No. 24945, U. S. Nat. Mus. ; Tehuacan, 

 Mexico, July, 1913 (R. Miiller). 



Cactoblastis bucyrus, new species. 



Dark gray, almost blackish, especially on inner half of wing. 

 Lines whitish, indistinct, the inner angled on submedian, the 

 outer dentate-crenulate ; discal mark large, rounded, clouded- 

 black. Hind wing dark gray in both sexes. Expanse, male, 

 30 mm. ; female, 39 mm. 



Types, male and two females, No. 24978, U. S. Nat. Mus. ; 

 Mendoza, Argentina, January 26, 1921, from larvae feeding 



