South American Micro- Lepidoptera. 275 



Ilingiotis, n. g. 



Head smooth; ocelli present; tongue developed. Antennae 

 almost 1, in cJ serrulate, minutely ciliated, basal joint moderately 

 elongate, without pecten. Labial palpi very long, recurved, second 

 joint with scales triangularly expanded towards apex above and 

 short rough apical tuft beneath, terminal joint as long as second or 

 longer, slender, acute. Maxillary jjalpi very short, filiform, ap- 

 pressed to tongue. Posterior tibiae clothed with hairs above. 

 Fore-wings with 16 furcate, 2 and 3 stalked, 7 absent, 8 and 9 

 sometimes stalked, 11 from middle. Hind-wings 1, trapezoidal, 

 apex obtuse, termen slightly sinuate, cilia 1 ; 3 and 4 connate, 5 

 approximated towards base, 6 and 7 connate, lower margin of cell 

 without pecten. 



Type sevectella, Walk. A development of Trichofaphe. 



Ilingiotis thrasynta, n. sp. 



J $. 8-9 mm. Head, thorax, and abdomen grey. Palpi dark 

 grey, second joint with apex white, terminal joint white except 

 anterior edge. Fore-wings elongate, rather narrow, costa gently 

 arched, faintly sinuate towards middle, apex obtuse, termen 

 rounded, oblique; 8 and 9 stalked; grey, mixed with whitish and 

 dark fuscous ; a blackish dot in disc at \ ; stigmata large, black, 

 pale-edged, plical rather obliquely before first discal, second discal 

 often connected with dorsum by a transverse mark of dark fuscous 

 suffusion ; a more or less curved whitish line from f or f of costa 

 to tornus : cilia grey, with dark grey antemedian line, beneath 

 tornus grey-whitish. Hind-wings grey, in ^ with margins of lower 

 median vein hyaline towards base; cilia grey. 



British Guiana, Bartica and Mallali, in February and 

 March [Parish) ; eight specimens. 



Ilingiotis vigilans, n. sp. 



(^ $. 9-11 mm. Head and thorax light ochreous-bronzy. Palp 

 dark fuscous, second joint with apex white, terminal joint white 

 except anterior edge. Abdomen dark grey. Fore-wings elongate, 

 rather narrow, slightly dilated posteriorly, costa gently arched, 

 apex obtuse, termen rounded, rather oblique; 9 separate ; light 

 ochreous-bronzy ; a black dot on base of costa ; an irregular black 

 dot in disc at J; stigmata black, discal large, pale-edged, plical 

 small, beneath first discal; a whitish -ochreous spot on costa at f, 

 whence a slightly curved indistinct whitish-ochreous line runs to 



