Heterocera from Costa Rica^ 237 



lieavily striated with black ; a fuscous streak on disco- 

 cellular ; termen fuscous, narrowest at tornus, mottled with 

 white between veins 3 and 4. Hind wings : a fine medial 

 line from costa to discocellular ; a narrow marginal fuscous 

 shade from apex to near vein 4. 



Expanse 31 mm. 



Hah. Avangarez. 



Sometimes the anteraedial and postmedial lines on fore 

 wings expand on inner margin into fuscous blotches. 



Aids aglauros, sp. n. 



S . Head, collar, and thorax dull brownish grey • a few 

 brown irrorations on collar. Abdomen paler, with dark 

 segmental lines. Fore wings pale brown, tinged with lilacine 

 in cell and with whitish medially bulow cell and just beyond 

 cell : some scattered, dark irrorations and black stria; on 

 costa ; a faint subbasal fuscous shade : antemedial fine, 

 black, angled on subcostal, then slightly inbent, marked by a 

 small black spot on median ; a tine medial line, crossing a 

 large greyish spot at end of cell and marked by dark points 

 on median, vein 2, and submedian ; postmedial fine, black, 

 somewhat incurved on costa, bluntly angled across vein 5, 

 then inbent, wavy ; subterminal whitish, wavily dentate, 

 ])receded by a fuscous shade above and below vein 5, and 

 there followed by dark streaks to termen; dark terminal 

 points on interspaces connected by a lunular line. Hind 

 wings whitish at base, otherwise pale brown ; medial line 

 tine, black, downbent towards inner margin ; an oval dark 

 line on discocellular ; postmedial bluntly angled at vein 6, 

 then incurved ; subterminal more dee))ly dentate. Wings 

 below pale brownish. Fore wings : a large fuscous spot at 

 end of cell, and a similar subapical patch from below vein 5 

 to vein i) ; traces of postmedial beyond cell ; terminal points 

 on interspaces. Tlie hind wings immaculate. 



Expanse 35 mm. 



Hab. Juan Viuas. 



AJcis pandrosos, sp. n. 



^ . Head and collar grey ; thorax whiter grey, with a 

 few dark iirorations ; abdomen grey, with whitish segmental 

 bands. Fore wings grey-white, thinly scaled, with a few 

 pale greyish strise and darker irrorations ; terminal third 

 shaded with pale greyish brown ; costa pale brown, with 

 dark striae and fuscous spots at origin of lines ; a faint sub^ 

 basal, straight, brownisli shade ; antemedial line fine, blacky 



