AHT. 19. MOTHS OF THE GENUS DIATRAEA DYAR AND HEINRICH 21 



DIATRAEA ANATHERICOLA, new species 



Fore wing gray, irrorate on a whitish ground, a whitish streak 

 beyond the cell; veins obscurely lined in brown, yet contrasting; a 

 whitish ray beyond cell, beneath which and median vein is a brown 

 shading ; discal and terminal dots small, blackish. Hind wing white 

 in both sexes. Front with a pointed tubercle. Hind tibia of the 

 male hairy, pale. 



Exfcmse. — Male, 32 mm.; female (dwarfed), 25-30 mm. 



Genitalia (male and female) as in canella. 



Abdomen of male without tufts on second segment. 



Male, Sao Paulo, Brazil (Schaus Collection) ; two females. Die 

 Kinderen Plantation, British Guiana (H. W. B, Moore). 



The British Guiana specimens were bred from larvae in the stems 

 of Anatherum hicorne {=^Andropogon), according to Mr. Moore's 

 determination. Compare mooreUa, bred from the same plant, but a 

 yellowish, not a gray species. 



Type.— Cat. No. 29,430, U.S.N.M. 



Type locality. — Sao Paulo, Brazil. 



DIATRAEA AMNEMONELLA Dyar 

 Figures 14, 62 



Diatraea atnnemoneUa Dyar, Ent. News, vol. 22, 1911, p. 203. 



Fore wing narrow. Hind wing emarginate discally. Fore wing 

 reddish gray, sparsely black irrorate, forming traces of cross lines. 

 Hind wing white, a little touched with dusky shading apically in 

 the male. Front with a tubercle. Hind tibia of male without hair 

 tuft. 



Expanse. — 29 mm., both sexes. 



Male genitalia similar to those of canella except with shorter 

 digitate subbasal projection from costa of harpe (less than twice as 

 long as broad). Figured from type. 



Female genitalia with small scobinate signum in bursa and a pair 

 of chitinized ridges in neck of bursa. Otherwise as in canella. 

 Figured from paratype. 



Abdomen of male without hair tufts on second segment. 



Only the male and female types from the type locality are 

 before us. 



The life history is unknown. 



Type. — In National Collection. 



Type locality. — Castro, Parana, Brazil. 



