XYLORYCTIDJE. 445 



hose of terminal joinb dark fuscous. ^ntennal ciliations ]|. 

 Thorax light pinkisli-grey-ocbreous. Abdomen light greyish. 

 Porewings elongate, costa moderately arched, ajjex rounded, 

 iermen rounded, somewhat oblique ; 3 and 4 out of 2 ; greyish- 

 ochreous tinged with pinkish; costal edge light ochreous-yellowisli ; 

 a small blackish dot near base in middle; stigmata blackish, 

 plical obliquely beyond first discal ; an undefined blackish-grey 

 streak from f of costa to | of dorsum, traversing first discal 

 stigma; a series of several black dots from costal extremity of 

 this streak across second discal stigma to near dorsum at | ; 

 a strongly curved series of black dots from costa before ^ to 

 tornus, indented above middle ; eight black marginal dots round 

 apex and termen : cilia ochreous-Avhitish, basal third greyish- 

 ochreous. Hindwings with 3 and 4 stalked, 5 approximated ; 

 grey, with some blackish hairscales ; cilia pale greyish, with 

 darker subbasal line. 



British Guiana, Mallali, in March (Pco-isJi) ; one specimen 

 Allied to adustella and melanesia. 



Stenoina catharmosta, n. sp. 



(S . 16-19 mm. Head ochreous-whitish. Pal^n whitish, second 

 joint tinged with ochreous except towards apex, with dark fuscous 

 streak on basal f, extreme base of terminal joint dark fuscous. 

 Antennal ciliations 1^. Thorax pale ochreous or whitish-fuscous. 

 Abdomen whilish-grej, anal tutt whitish-ochreous. Forewings 

 elongate, posteriorly rather dilated, costa moderately arched, apex 

 rounded, termen rounded, somewhat oblique ; 3 and 4 out of 2 ; 

 light pinkish-ochroous ; an irregular rounded blotch of blackish 

 suffusion extending along dorsum from | to |, and reaching half 

 across wing; second discal stigma blackish; a strongly curved 

 series of blackish dots from |^ of costa to tornus, indented above 

 middle ; a series of blackish marginal dots round posterior part 

 of costa and termen : cilia whitish-ochreous. Hindwings with 

 3 and 4 stalked, 5 approximated ; light grey, strewn with blackish 

 hairscales ; cilia whitish-grey, with darker subbasal line. 



British Guiana, Bartica, in Eebruary [Parish) ; Dutch Guiana, 

 Paramaribo, in May ; two specimens. 



Stenoina trichocolpa, n. sp. 



6 . 16 mm. Head pale whitish-ochreous. Palpi whitish, second 

 joint ochreous-tingcd except towards apex, with dark fuscous streak 

 on basal f , extreme base of terminal joint dark fuscous. Antennal 

 ciliations 2^. Thorax light greyish-ocbreous. Abdomen greyish- 

 ochreous. Porewings elongate, costa anteriorly moderately, then 

 slightly arched, apex rounded, termen rounded, somewhat oblique ; 

 3 and 4 out of 2; light brownish-ochreous, costal edge yellow- 

 ochreous ; dark fuscous subbasal dots on costa and in middle ; 

 small dark fuscous spots on costa at | and before and beyond 

 middle; stigmata dark fuscous, plical obliquely beyond first discal; 



