1897.] CLASSIFICATION OE THE CHETSAUGIK^. 663 



Genus Acropteutx. 



Acropteryx, Eag. Ann. Soc. Ent. Fr. 1890, p. 469. 



Palpi upturned, the second joint reaching vertex of head, the 

 3rd short in male, long and oblique in female ; frons with a tuft 

 of hair ; antennae of male minutely ciUated ; tibiae roughly scaled. 

 Fore wing of male with the costa arched near base, excised 

 beyond middle, the apex slightly produced upwards and falcate ; 

 a glandular swelling at base of costa below, with a large oblique 

 tuft of hair at end of it met by a fringe from below median 

 nervure ; the costa nearly straight in female ; vein 3 from near 

 angle of cell ; 4, 5 from angle ; 6, 7 from upper angle ; 8, 9 absent 

 in male, stalked with 7 in female; 10, 11 free. Hind wing in 

 male with small tufts of scales on veins 5, 6, 7 beyond the cell on 

 underside ; vein 3 from near angle of cell ; 4, 5 from angle ; 6, 7 

 from upper angle, 7 anastomosing slightly with 8. 



Fig. 30. 



Acropteryx herhacealis, c? . t- 



Sect. I. Fore wing with the costa excised beyond middle, the 

 apex slightly produced upwards and acute. 



(1) AcEOPTERYx ARNEA, Cram. Pap. Exot. i. pi. 36, Gr. 



Surinam ; Amazons. 

 Botys Unalis, Feld. Eeis. Nov. pi. 137. f. 9. 



Type. (2) Acropterxx heebacealis, Eag. Ann. Soc. Ent. Fr. 1890, 

 p. 470, pi. 7. f. 1. Chiriqui ; St. Martha. 



Sect. II. Fore wing with the costa evenly arched ; the 

 apex rounded. 



(3)*Aceopteryx natteeeri, Feld. Eeis. Nov. pi. 136. f . 29. 



Brazil, 



Genus Teratomorpha. 



Teratomorpha, De Niceville, Journ. Bom. Nat. Hist. Soc. x. 

 p. 192 (1896). 



Palpi upturned, the 2nd joint reaching vertex of head and 

 moderately scaled in front, the 3rd short and naked ; frons 

 rounded ; antennae almost simple ; tibiae with the outer spurs 

 about two-thirds length of inner. Fore wing with the costa 

 arched at base and excised beyond middle, the apex bent upwards, 



