272 Mr. Edward Meyrick's Description of 



and interrupted beneath apex; a black terminal line, edged with 

 ochreous-whitish : cilia lilac-grey (imperfect). Hitid-wrngs dark 

 fuscous; cilia grey, darker towards base. 



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

 specimen. 



Thrypsigenes, n. g. 



Head smooth; ocelli present; tongue developed. Antennae 4, 

 in (J rather stout, simple, basal joint moderate, without pecten. 

 Labial palpi moderately long, curved, ascending, second joint 

 thickened with scales angularly projecting at apex beneath, terminal 

 joint f of second, modei'ate, acute. Maxillary palpi rudimentary. 

 Posterior tibiae clothed with long hairs above. Fore-wings with 

 lb furcate, 2 from towards angle, 3 from angle, 7 absent, 8 and 9 

 short-stalked or connate, 11 from beyond middle. Hind-wings 

 under 1, elongate-trapezoidal, apex tolerably pointed, termen 

 slightly sinuate, cilia 1|; 3 and 4 connate, 5 absent, 6 and 7 long- 

 stalked. 



Type colluta, Meyr. Allied to Deoclona. 



Thrypsigenes colluta, n. sp. 



cj $. 10-13 ram. Head and thorax whitish -ochreous. Palpi 

 ochreous-whitish, slightly sprinkled with fuscous specks. Abdomen 

 whitish-ochreous. Fore-wings elongate, rather narrow, costa 

 gently arched, apex tolerably pointed, termen very obliquely 

 rounded ; whitish-ochreous, faintly speckled with greyish : cilia 

 whitish-ochreous, with some faint grey sjaecks towards base. Hind- 

 wings ochreous-whitish or grey-whitish ; cilia whitish. 



British Guiana, Bartica and Mallali, in February and 

 March (Parish) ; four specimens. 



Thrypsigenes furvescens, n. sp. 



(J $. 13 mm. Head and thorax light greyish-ochreous. Palpi 

 whitish, second joint grey except apex, terminal joint irrorated 

 with grey. Abdomen grey. Fore -wings elongate, rather narrow, 

 costa gently arched, apex tolerably pointed, termen very obliquely 

 rounded; fuscous; a whitish-ochreous stripe occupying costal 

 third from base to f : cilia whitish-ochreous. Hind-wings rather 

 dark fuscous ; cilia grey. 



British Guiana, Bartica, from February to April 

 (Parish) ; two specimens. 



