Ileterocera from Costa Rica. 245 



Hind wings : a spot below cell and one at anal angle. Wings 

 below without markings. 



Expanse 13 mm. 



Hab. Sixola. 



Subfam. PnYCiTiNJB. 



Acrohasis jocareUa, sp. n. 



? . Palpi, liead, collar, and thorax pale olive-bufF, the 

 patagia purplish. Abdomen dorsally whitish buff, sub- 

 dorsally dark purplish brown. Fore wings : margins dull 

 pale olive with a few dark irrorations ; cell mottled dull 

 olive and reddish brown ; a broad reddish-brown shade below 

 cell ; a medial black line on costa, two points on median, 

 and traces of a dark geminate line from below cell ; two 

 black points on discocellular ; a postmedial fuscous line, 

 sinuous, outangled between veins 4 and 5 ; a subierminal 

 brownish shade not reaching costa, crossed by white streaks 

 and black points on veins from 6 to submedian ; a subterminal 

 fuscous shade on costa ; terminal black spots. Hind wings 

 purplish brown ; cilia grey-white, crossed by a darker shade 

 at base. 



Expanse 26 mm. 



Hab. Avangarez. 



Myelois fearnella, sp. n. 



$. Palpi brown mottled with grey. Head and thorax 

 dark giey. Abdomen brownish, with pale segmental lines. 

 Fore wings : costa dark grey, somewhat paler at base ; 

 inner margin grey irrorated with pale reddish brown ; termen 

 narrowly paler grey ; cell, below it, and intervenal spaces ' 

 pale reddish brown, somewhat mottled with gi'ey; a fine 

 black streak below subcostal ; median finely black ; sub- 

 median irrorated with black; veins 2-6 black, interrupted 

 by a grey subterminal shade slightly outcurved ; two black 

 spots on discocellular, some postmedial greyish clusters of 

 scales on veins also interrupting black streaks; terminal 

 black spots on interspaces. Hind wings semihyaline, dirty 

 white, faintly iridescent ; veins and narrow terminal shade 

 dark. 



Expanse 23 mm. 



Hab. Avangarez. 



Myelois dorsimacula, sp. n. 



$ . Palpi, head, and collar brown ; thorax similar 

 irrorated with dark brown. Abdomen pale brownish at 



