414 EXOTIC MICROLEPIDOPTERA. 



Stenoma cyanarcha, n. sp. 



(S . 10 mm. Head and thoi-ax bronzy-grey. Palpi dark grey, 

 apex of second joint whitish, terminal joint with some whitish 

 suffusion above base. Antennal cilintions 2^. Abdomen dark 

 fuscous. Forewings elongate, costa slightly arched, apex ronnded, 

 termen rounded, somewhat oblique; 2 separate; dark fuscous, 

 basal half suffused with pale metallic green-bluish ; a somewhat 

 irregular almost straight white line from beyond middle of costa to 

 I of dorsum, rather dilated on costa : cilia grey, with dark fuscous 

 basal shade (somewhat imperfect). Hindwings with 3 and 4 

 connate, 5 approximated ; dark fuscous ; cilia grey, with dark 

 fuscous subbasal line. 



British Guiana, Mallali, in March (Parisli); one specimen. 



Stenoma crypsastra, n, sp. 



J . 10 mm. Head, thorax, and abdomen dark fuscous, face 

 silvery -while. Palpi silvery-white, basal half of second joint and 

 base of terminal joint dark grey. Antennal ciliations 2|. Fore- 

 wings elongate, posteriorly slightly dilated, costa slightly arched, 

 apex rounded, termen rounded, little oblique ; 2 and 3 stalked ; 

 dark fuscous, faintly purplish-tinged ; apical margin slightly marked 

 with white : cilia dark grey, round apex white (imperfect). Hind- 

 wings with 3 and 4 connate, 5 approximated ; dork fuscous ; 

 a rather large white spot in middle of disc ; cilia dark fuscous, 

 with white apical patch (imperfect). 



British Guiana, Bartica, in January (Parish); one specimen. 



Stenoma anconitis, n. sp. 



5 . 17 mm. Head grey, face and sides of crown ochreous- 

 white. Palpi white, second joint with dark fuscous streak on 

 basal f, terminal joint with base dark fuscous, and suffused with 

 grey on apical half. Thorax grey, shoulders narrowly ochreous- 

 white. Abdomen grey. Forewings elongate, rather narrow, costa 

 anteriorly moderately arched, posteriorly nearly straight, apex 

 rounded, termen rounded, vertical ; 2 separate ; rather dark 

 brownish-grey; costal and terminal edge ochreous-white; a slender 

 cloudy ochreous-whitish streak from beneath costa before middle 

 to dorsum at |, obtusely angulated in middle, thicker on lower 

 half: cilia ochreous-whitish, with grey basal shade, towards tornus 

 wholly grey. Hindwings with 3 and 4 stalked, 5 approximated ; 

 dark grey ; cilia grey, darker towards base, at apex suffused with 

 ochreous-whitish. 



British Guiana, Mallali, in March (Parish) ; one specimen. 



Stenoma tinactis, n. sp. 



(^ . 13 mm. Head white, crown with a central spot of grey 

 suffusion. Palpi white, second joint with dark fuscous streak on 

 basal |, terminal joint with base and a supramedian band dark 



