Ileteroceva from Coda Rica. 595 



half strongly tinged with vermilion ; inner half pale olive- 

 brown ; the postnieilial line ot" fore win<3j3 continued to 

 middle of inner margin, and followed by a fine maroon line, 

 outwardly edged with buff, less heavily marked below vein 4, 

 and outbent, deeply wavy. Uuilerneath silky roseate buff; 

 some black irrorations ou costa of fore wings, and a small 

 black apieal spo^. 



Expanse ',\'2 mm. 



JIab. Juan Vinas. 



Thysanopyga suhmarginata, sp. n. 



$ . Body brown ; a greyish spot on vertex ; the abdomen 

 shaded with dull grey on posterior half. Wings brown 

 faintly tinged with lilacine, and thinly striated with black ; 

 the lines black-brown. Fore wings : the eosta fuscous 

 mottled with buff; a black subcostal line from base to apex; 

 a very fine basal line; antemedial line straight or faintly 

 oblique inwardly from subcostal ; the postmedial line faintly 

 incurved from subcostal to inner margin near base; a black 

 point in cell ; a subapical white lunule followed at termen 

 by fuscous and brown shadings; a terminal dark line with 

 whitish ])oints at veins ; cilia brown with a fine buff line at 

 base. Hind wings : the antemedial line distinct, straight ; 

 a white discal point; the postmedial line very fine from 

 costa near apex to anal angle. Underneath grey with 

 fuscous-grey irrorations; the outer margins very broadly 

 dark brown ; a terminal white spot on fore wings from 

 below vein G to vein 8 ; a black point at apex. The sexes 

 similar. 



Expanse 32 mm. 



Ilab. Juan Vinas, Sixola. 



Allied to T. suhajiicalis, Dogn., which is larger and has no 

 outer line on hind wings. 



Thysanopyga muricolor, sp. n. 



(J . Palpi and frons brown ; vertex and body mouse-grey ; 

 lateral tufts at base of abdomen fuscous. Wings mouse- 

 grey. Fore wings: the costa with black strise; an ante- 

 medial reddish-brown line angled in cell, curved below 

 median ; the basal space in and below cell reddish brown ; a 

 fine medial line from subcostal above black discal point, in- 

 bent to median, then straight to inner margin, reddish buff, 

 indistinctly edged with reddish brown ; an outer reddish- 

 brown incurved line, outwardly shaded with brown and some 

 black at vein 2 and submedian fold ; the terminal space 



