Heterocera from Costa Rica. 625 



Hylesia annulata, sp. n. 



(^ . Palpi light brown, streaked with dark brown behind ; 

 frons greyish brown, edged laterally with ochreous ; collar 

 and thorax black, with a few scattered hairs ; abdomen 

 dorsally black, subdorsally golden ochreous. Fore wings 

 brownish grey ; the inner line fuscous, inwardly shaded with 

 greyish buff on costa, outbent in cell, limiting a light brown 

 space in cell, inset below cell, deeply outcurved below sub- 

 median fold, and outbent below submedian, partly shaded 

 inwardly with light brown, where crossing a fuscous shade 

 which extends below cell, from near base to middle of wing; 

 a large fuscous annular spot at end of cell filled in with 

 light brown ; the outer line fine dark brown, outwardly edged 

 •with greyish buff, indicated above vein 7 by a fine inbent 

 dark line ; the costa apically fuscous ; an irregular sub- 

 terminal brownish shade; the termen darker shaded and 

 irrorated with olive-brown. Hind wings olive-grey ; the 

 cell and inner area shaded with fuscous ; a fuscous line on 

 discocellular, surrounded by a vague round shade ; a fuscous 

 postmedial line and rather broad subterminal shade ; some 

 ochreous-buff hairs on inner margin. 



Expanse 56 mm. 



Ilab. Sixola. 



Hylesia rosacea, sp. n. 



S . Head, collar, and thorax olive-brown ; abdomen dark 

 brown, covered with ochreous hairs. Fore wings roseate ; a 

 dark olive-brown streak at base of inner margin ; the veins 

 finely brow'nish on outer half; an oblique olive-brown spot 

 on discocellular; a fine dark postmedial line; a marginal 

 brownish shade from veins 7-3, reaching postmedial below 

 vein 7, and tapering to vein 3 on outer margin. Hind wings 

 roseate, darkest on inner margin ; a fine postmedial dark 

 line ; a very faint postmedial tine shade. The apex of fore 

 wing is produced and somewhat falcate. 



Expanse 46 mm. 



Hab. Sixola. 



Hylesia hamata, sp. n. 



cJ . Palpi brown ; head, collar, and thorax black, faintly 

 tinged with brown ; abdomen ochreous. Fore wings with 

 the apex falcate, dark lilacine, the apical area shaded with 

 fuscous ; an oblique black streak from base of costa to inner 

 margin ; a fine faint darker line on discocellular ; a fine dark 

 postmedial line, followed by a less distinct fine subterminal 



