South American Micro- Lepidoptera. 283 



Dichomeris macroptera, n. sp. 



^ $. 15-17 mm. Head pale ochreous, crown sometimes centrally 

 greyish-tinged. Palpi pale ochreous tinged with greyish, second 

 joint with scales triangularly expanded above and long triangular 

 projecting tuft beneath, apical edge whitish, terminal joint whitish, 

 anterior edge blackish. Thorax ochreous-brown. Abdomen dark 

 grey. Fore -wings elongate, narrow, costa slightly arched, apex 

 obtuse, termen obliquely rounded; ochreous-brown, with lilac 

 reflections, somewhat lighter towards disc; dorsal half deep ferru- 

 ginous, division rather irregular, somewhat whitish-edged in disc ; 

 dorsal edge suffused with dark grey towards base ; stigmata elongate, 

 blackish, plical slightly beyond first discal, sometimes confluent with 

 it ; blackish streaks on veins 4 and 5 towards termen : cilia light 

 ochreous, somewhat ferruginous-tinged. Hind-wings rather dark 

 grey, lighter in disc anteriorly ; cilia grey, round apex suffused with 

 pale ochreous. 



British Guiana, Bartica, from December to February 

 (Parish) ; two specimens. 



Dichomeris zomias, n. sp. 



(J $. 13-15 mm. Head and thorax ferruginous-brownish, crown 

 tinged with grey. Palpi ferruginous-brownish irrorated with deep 

 ferruginous, second joint with long rough projecting scales above 

 and moderate somewhat projecting apical tuft beneath, terminal 

 joint whitish, anterior edge dark fuscous. Abdomen dark grey. 

 Fore-wings elongate, narrow, costa slightly arched, faintly sinuate 

 towards middle, apex obtuse, termen rounded, rather oblique; 

 ferruginous-brown, with some scattered dark fuscous scales; 

 stigmata obscure, cloudy, fuscous or darker, sometimes forming elon. 

 gate spots, dorsal half of wing sometimes much obscured with dark 

 fuscous irroration partially concealing these ; an almost marginal 

 streak of dark fuscous suffusion just before termen, strongest up- 

 wards : cilia ferruginous-brown. Hind-wings and cilia dark grey. 



British Guiana, Bartica and Mallali, from December to 

 March {Parish) ; twelve specimens. 



Dichomeris cachrydias, n. sp. 



(J $. 11-12 mm. Head pale ochreous, with light grey central 

 stripe. Palpi dark fuscous, second joint with scales triangularly 

 expanded above and moderate triangular projecting tuft beneath, 

 apical edge whitish, terminal joint whitish except anterior edge, 



