NEW MOTHS FROM SOUTH-EAST BRAZIL. 339 



median vein, slightly incurved thence to inner margin ; a tawny 

 wavy medial shade; postmedial line narrow, sinuous, excurved 

 from costa to vein 3, incurved thence to inner margin, black on 

 the veins and tawny on the interspaces, followed by a narrow 

 pale line, a broad tawny band and a rather obscure zigzag pale 

 line angled inwards on the veins and outwards on the inter- 

 spaces ; terminal area suffused with pale ferruginous brown ; a 

 terminal row of minute black points on the interspaces; cilia 

 brown. Hind wings similar to the fore wings, with the exception 

 that there is no antemedial line. Underside ochreous white 

 more heavily irrorated than upper, outwardly suffused with pale 

 ferruginous brown ; a black discocellular spot ; a postmedial line 

 of black spots on the veins. 



Female. — The wings purplish grey irrorated with black ; the 

 lines and suffusions as in male, but darker and duller. 



Expanse : male 29 mm., female 31 mm. 



Hab. Castro, Parana, Brazil. 



Hymenomima nivacaria, sp. n. (PI. II. fig. 4.) 



Male. — Palpi rufous brown ; pectus white ; legs brown ; frons 

 rufous brown, white in front ; vertex of head rufous brown 

 mixed with white ; antenna? light brown, white at base ; tegulse 

 rufous brown : thorax, patagia, and abdomen ochreous with 

 scattered rufous-brown scales. Fore wings ochreous irrorated 

 with rufous brown ; edge of costa dark brown : antemedial line 

 light rufous brown, strongly bent inwards in cell ; medial line 

 slightly excurved ; postmedial line dark rufous brown, excurved, 

 strongly dentate, the points outwards on the veins ; an obscure 

 dentate subterminal line ; terminal line dark rufous brown ; 

 cilia ochreous. Hind wings similar to fore wings, but the lines 

 not so well defined ; postmedial angled outwards on vein 4, 



Expanse 26 mm. 



Hab. Nivac, Matto Grosso, Brazil. 



Larentiopsis, gen. nov. 



Palpi porrect, short, clothed with scales, third joint minute ; 

 frons with a sharp-pointed prominence ; antennae of male bipec- 

 tinate, the pectinations short and dilated at the ends ; tibial 

 spurs short ; thorax and patagia clothed with hairs and hair-like 

 scales; a metathoracic dorsal tuft; abdomen smooth, a small 

 dorsal tuft on second segment. Fore wings : costa straight ; apex 

 rounded ; termen evenly curved, slightly crenulate ; vein 2 at 

 two-thirds from base, 3 and 4 from angle, 5 from middle of 

 discocellulars, 6 from upper angle, 7, 8, and 9 stalked from close 

 to angle, 10 and 11 from cell. Hind wings: vein 2 at three- 

 quarters from base, 3 from just before angle, 4 from angle, 

 5 absent, 6 from upper angle, 7 from close to angle, 8 approxi- 

 mated to cell near base only. 



Type, L. costiplaga. 



