lleterocera from Costa Rica. 375 



line, partly obsolescent from below vein 5; terminal pale 

 points. Hind wiiio;s : a taint antemedial and postmedial 

 dariier shade ; terminal roseate points. Wings below silky 

 brownish grey; darker discal spots, and a postmedial shade; 

 subterniinal paler spots. 



Expanse It) mm. 



Hah. Juan Vinas. 



Eupithecia suhtilis, sp. n. 



? . Head and collar fuscous mottled with buff. Thorax 

 and base of abdomen buff-brown ; abdomen otherwise mottled 

 and spotted with black. Fore wings buff-brown ; base of 

 costa and cell fuscous ; a black discal spot containing a few 

 grey scales; a fuscous shade on costa from before end of cell 

 to postmedial, crossed by whitish lines ; three postmedial 

 fine indistinct lines, fuscous-shaded on inner margin ; a very 

 faint subterniinal pale shade ; cilia tipped with grey. Hind 

 wings : the apical area buff-brown, the inner margin irrorated 

 with fuscous ; black and whitish spots and lines on median, 

 veins 2 and 3, and submedian. Wings below dark greyish 

 brown, with fuscous discal spots. Bore wings : traces o£ 

 darker lines chiefly on costa. Hind wings : traces of dark 

 lines ; some whitish lines on inner margin from middle to 

 termen ; some terminal whitish shades. 



Expanse 17 mm. 



Ilab. Juan Vinas. 



Eupithecia summissa, sp. n. 



? . Body and fore wings dull grey. Fore wings tliinly 

 irrorated with fuscous brown ; a fine wavy subbasal fuscous 

 line ; a nearly medial fuscous line suffusing with an oblique 

 black line across costa and discocellular ; two fine outcurved 

 lines beyond followed by the more heavily shaded postmedial 

 fuscous line; postmedial followed by three fine brownish 

 lines, the two outer lines more heavily marked, the last 

 edging the subterniinal shade which is dull grey ; the termen 

 darker grey; a terminal fuscous line. Hind wings brownish 

 grey, more darkly irrorated on outer and inner margins ; 

 traces of a line on inner margin. Wings below paler, the 

 lines darker, very faint. Hind wings : two antemedial, a 

 medial, postmedial, and subterminal lines equally apait. 



Expanse 19 mm. 



Hab. Poas. 



Vein 5 on fore wing from lower angle of cell. 



