South Atnerican Micro-Lepidoptera. Ill 



Dichomeris thalpodes, n. sp. 



(j*$. 12-13 mm. Head pale ochreous, sides suffused orange. 

 Palpi orange, second joint with roughly expanded hairs towards 

 apex above, terminal joint somewhat shorter, tip blackish. Thorax 

 ferruginous- orange. Forewings elongate, costa anteriorly gently 

 arched, then nearly straight, apex obtuse, termen rounded, somewhat 

 oblique; orange, indistinctly and suffusedly streaked ferruginous 

 on veins, broader streaks of deep ferruginous suffusion along dorsum 

 a.nd posterior | of costa, some streaks of deep ferruginous suffusion 

 in cell; rather irregular dark reddish-fuscous marginal dots round 

 apex and termen : cilia orange variably mixed ferruginous. Hind- 

 wings dark grey; cilia grey, round apex suffused light ferruginous- 

 ochreous. 



Brazil, Para ; Peru , R. Napo ; May to July, four 

 specimens. 



Dichomeris stratigera, n. sp. 



(^. 14 mm. Head whitish-ochreous slightly infuscated on crown, 

 sides ferruginous. Palpi second joint long, yellow-ochreous, 

 triangvilarly expanded above with ferruginous hairscales and with 

 similar projecting scales at apex, terminal joint much shorter, 

 whitish, anterior edge irregularly blackish. Thorax dorsally dark 

 fuscous edged deejj ferruginous, patagia lilac, shoulders ferruginous. 

 Forewings rather narrow, costa gently arched, apex obtuse, termen 

 very obliquely rounded; pale purplish-lilac, a streak of ochrcous- 

 yellow suffusion beneath costa from base to near middle ; a dark 

 fuscous streak occupying dorsal S of wing throughout, its upper 

 portion marked with a thick deep ferruginous streak from base 

 to middle, where it forms a short triangular prominence ujiwards; 

 second discal stigma ferruginous; a faint pale curved subterminal 

 line edged ferruginous posteriorly : cilia pale ochreous suffusedly 

 spotted ferruginous, tips pale grey on termen. Hindwings dark 

 grey; cilia grey. 



Brazil, Parintins, in October; one specimen. 



Dichomeris prensans, n. sp. 



cj$. 12-13 mm. Head, thorax rather dark fuscous. Palpi second 

 joint long, rather dark fuscous or brownish, somewhat whitish- 

 speckled, above with long rough hairscales projecting roughly 

 at apex, terminal joint shorter, whitish, with three obscure blackish- 

 grey bands. Antennae ^ with strong sinuate notch above basal 



