IJeterocera from Costa Rica. 365 



Eupilliecia albibasalis, sp. n. 



cJ . Body brownish buff. Abdomen : a fine black seg- 

 mental line on second segment ; anal liairs fuscous. Fore 

 wings : costa mottled with light brown and white, the extreme 

 edge black, interrupted by whitish shades ; a white space at 

 base in and below cell, crossed by a subbasal liglit brown 

 line, and limited by an antemedial line outaiigled on sub- 

 costal, this line liirht brown on margins, otherwise fuscous, 

 and is followed in and below cell by a dark greyish shade, 

 outwardly edged by a darker line, outcurved in cell and 

 below it ; rest of medial space greyish brown crossed by a 

 line dark line, outbent on costa ; postniedial somewliat 

 punctiform, followed by two series of smaller points faintly 

 connected by lines ; outer space above vein i whitish grey ; 

 a fine greyish subterminal shade ; the termen shaded on inter- 

 spaces with light brown, the shade at apex larger, more 

 conspicuous; a terminal dark line; a small white spot at 

 tornus and one on cilia at tornus. Hind wings dark grey 

 with traces of lines, fuscous on inner margin and shaded with 

 light brown. Wings below dark grey, the lines darker. 

 Fore wings: a yellowish shade on costa to postmedial ; the 

 postmedial shade broadest. Hind wings : two antemedial 

 and a medial line; the postmedial more outcurved, coincident 

 with medial on margins ; a punctiform line following it, and 

 a subterminal shade. 



Expanse 22 mm. ^ 



Uad. Juan Viuas. 



Eupithecia alhimixta, sp. n. 



$ . Head mottled white and fuscous. Collar brownish 

 grey and black. Thorax and abdomen fuscous mottled with 

 grey ; some pale reddish-brown shading dorsally on abdomen 

 beyond base. Fore wings white, the lines and shadings 

 black ; subbasal line broad, slightly curved ; a broad greyisli 

 shade following it ; antemedial fascia broad, its iinier etige 

 evenly curved, its outer edge entangled in cell and on fold ; 

 a dark streak on discocellular, and a fine medial line out- 

 curved around it ; postmedial broad, partly interrupted, 

 divided by a white line opposite cell ; large grey and fuscous 

 subterminal patches from costa to vein -i, outwardly edged 

 by a fine lunular white line, and with a light brown mark on 

 vein 6 ; some similar shadings below vein 2 to tornus ; a fine 

 terminal black line ; cilia spotted black and white. Hind wings 

 greyish white ; traces of transverse lines ; a fine dark terminal 

 line. Wings below greyish. Fore wings suffused with fuscous 



