Heterocera from Cvsta Rica. 211 



by a fine black line ; the subterminal outcurved on vein 7, 

 iiibent just below 7 towards postniedial, enclosing a black- 

 brown space, then incurved around cleft, followed by an 

 oclireous shade, and perpendicular from vein 2 to inner 

 margin, preceded by a black-brown shade; a dark terminal 

 line. Hiud wings black, a large white space from base in, 

 beyond, and below cell, on which the median and veins 2— i 

 are black. 



Expanse 30 mm. 



ILiO. Juan Vinas, Tui.«, Sitlo. 



Allied to 7\ dulclna, Schs., which has the apex white. 



Megacliyta rona, sp. n. 



^ . Body brownish grey, the abdomen terminally darker ; 

 body below whitish buff. Fore wings brownish grey, the 

 lines black, fine, the anttmedial slightly oblique from costa, 

 perpendicular below median ; a dark streak on discocellular ; 

 the ])ostmedial very slightly outcurved beyond cell ; a faint 

 subterminal fuscous shade, faintly edged outwardly with 

 white, which becomes a distinct white spot on costa ; the 

 outer margin darker grey ; a terminal black line ; cilia darker 

 grey, with a pale line at base. Hind wings similar; a black 

 discal spot ; the postmedial line angled at vein 2. Fore 

 wings below greyish ; a black discal point ; a white costal 

 spot before apex; postmedial line and subterminal shade 

 very faint. Hiud wings below whitish ; a discocellular 

 streak ; a fine outer line ; a subterminal fuscous shade. 



Expanse 18 mm. 



Female similar^ but darker and browner. 



Hah. Carillo, Laguna, Tuis. 



Megachyta acutipennis^ sp. n. 



^ . Body above dark greyish, with pale transverse stride 

 on thorax and pale segmental lines on abdomen. Underneath 

 whitish, irrorated with dark grey, the legs buff-white. Wings 

 lilacine grey, with darker irroratious ; an antemedial and a 

 postmedial tine wavy dark line ; a sinuous subterminal dark 

 shade; a terminal dark line, pale edged and interrupted by 

 veins. Fore wings : a fine medial line; two white spots on 

 discocellular ; a small black apical spot. Fore wdngs below 

 fuscous grey, a fuscous discal spot; a fuscous subterminal 

 shade, broad and black from vein 6 to costa ; terminal black 

 points between veins. Hind wings below whiter, irrorated 

 with dark grey ; a discal point and traces of a subterminal 

 fuscous shade. Fore wiuos acute. 



