Heterocera from Costa Rica. 25 



Tarista tnnocua, sp. ii. 



S . Body dull dark brown, some whitish irrorations on 

 abdomen. Wings dull greyish brown, lines dark brown. 

 Fore wings : antemedial line fine, outangled close below 

 cell, inangled on subniedian ; orbicular darkly outlined, 

 containing a bufF-brown centre ; a broad medial shade 

 suffusing with inner edge of reniform, which contains a light 

 brown shade ; postmedial line fine, sinuous, dentate ; sub- 

 terminal dark shade more heavily marked, dentate and 

 parallel with postmedial ; terminal dark points partly con- 

 nected by a line. Hind wings : postmedial and subterminal 

 shades more heavily marked towards inner margin, and 

 partly edged with white irrorations ; a terminal dark line. 

 IJind wings below greyish white irrorated with brown ; a 

 brown line on discocellular ; postmedial and subterminal 

 finely wavy lines. 



Expanse 23 nmi. 



Hab. Poas. 



Aristaria m'grifrotis, sp. n. 



? . Palpi and frons black ; vertex and collar outwardly 

 brownish ochre ; collar medially and thorax steel-grey, 

 iridescent. Abdomen fuscous. Fore wings dark brown ; 

 extreme costa brownish ochre, edged behind with steel-grey ; 

 lines darker brown, indistinct ; antemedial lunular, slightly 

 outbent ; medial across end of cell ; postmedial vertical ; 

 outer margin thickly irrorated with bluish white, crossed 

 close to its inner edge bv a brown lunular line. Hind win<rs 

 fuscous brown, some terminal whitish scales between veins 2 

 and 4. Wings below fuscous brown, darkest along outer 

 margins ; a faint discal spot and postmedial line on hind 

 wings. 



Expanse 33 mm. 



Hab. Juan Yinas. 



Aristaria scortea, sp. n. 



? . Palpi buff-brown with darker irrorations and shadings 

 on fringe above. Head, collar, and thorax brown. Abdo- 

 men lilacine grey, irrorated with dull greyish brown and 

 with pale segmental lines. Fore wings light brown ; some 

 dark scales at base ; antemedial line fine, dark, wavily out- 

 bent, inangled on submedian ; an orbicular black point; 

 renit'orm incurved, edged with dark scales; postmedial line 

 fine, black, lunular, incurved opposite cell and below vein 2 ; 



