IJeterocera from Costa Rica. 5 40 



slindc. Unlenioafli silky wliiiisli .i,nev, with darker pnst- 

 nunlial and subterminal sliadcs, and a small di;scal .spot on 

 hind wings. 



Expanse l)G mm. 



Hub. tJuan Vinas. 



Ilijdt'iomena lucifuga, sp. n. 



$ . Body fuscons grey. Fore wings fuscous grey tinged 

 \v'\{\\ brown, and with dull reddish-brown irrorations forming 

 vague antemedial and medial shades, partly outlined hy 

 Mack irrorations; traces of fine basal, postmedial, sul)- 

 tcrminal, and marginal lines, the latter lunular. Hind win<-s 

 dark grey. Wings below dark silvery grey, partly irrorated 

 witli still darker grey scales ; faint traces of a postmedial 

 fuscous shade. Vein 6 on fore wing from near end of areole. 



Expanse 31 mm. 



Hub. Poas. 



Found in dark humid forest at about 8000 feet elevation. 



Hydriomena cydippe, sp. n. 



(^ . AntennjB simple. Palpi fuscous tipped with white. 

 Head yellowisii buff. Collar and thorax reddish brown with 

 some black spots. Abdomen greyish irrorated with brown ; 

 anal segments fuscous. Fore wings brownish red, the lines 

 broad, fuscous brown, uneven; basal line not reaching inner 

 margin ; subbasal outbent ; antemedial oblique from costa, 

 ])erpendicular from cell to iinier margin, very broad, sufFusino- 

 with medial line in cell posteriorly and just below it; post- 

 medial with its outer edge lunular, finer from vein 3 to inner 

 margin ; subterminal expanding outwardly from above 

 vein 7 to vein 4, edged by a dentate black line, inwardly 

 broadly black between 6 and 4, and mottled with red just 

 below 4 ; irregular terminal black spots between the veins, 

 and some black strias towards a[)ex, which is spotted with 

 black; cilia black, mottled with grey at veins. Eind wings 

 whitish shaded with brownish grey; a fine dark postmedial 

 line and irregular subterminal shade. Wings below greyish 

 brown. Fore wings : a postmedial fuscous shade, heaviest 

 on costa; a subterminal luscous shade below vein 6. Hind 

 wings: some brownish irrorations; a black discal point; 

 postmedial and subterminal dark shades. 



Expanse 30 mm. 



Jlab. Volcano Turrialba. 



Looks rather like Uhodomena cydra, Dr., which has 

 ciliated antennae. 



