Ileterocera from Costa Rica. 239 



"white, the latter thinly scaled. Fore wings : the edg-e of 

 costa at base black ; a fine medial smoky line, anc^led on 

 subcostal and inbent to near base of iinier margin ; a black 

 spot at end of cell; outer line from costa near apex to inner 

 margin beyond middle. Hind wings : a smoky medial line 

 followed by a black point on discocellular below vein 6 ; a 

 subterminal smoky spot below vein 6 and one on iinier 

 margin. Fore wings below with a postmedial small black 

 spot on costa. 



Expanse 24 mm. 



Hob. Cachi, Juan Vinas. 



Nipteria fronsaria, sp. n. 



cJ . Palpi dark brown. Frons deep yellow ; vertex, collar, 

 and patagia whitish grey. Thorax and abdomen dark grey. 

 Wings thinly scaled greyish white; veins brownish grey; 

 discocellulars finely darker. Fore wings : an outer dark 

 grey line from costa before apex to inner margin beyond 

 middle, more heavily marked towards costa ; the costal margin 

 more heavily scaled and whitish; cilia white, tipped with 

 dark grey. Hind wings : a faint darker postmedial line. 

 Underneath white, the veins more heavily marked, especially 

 on hind wings ; the outer line well marked. 



Expanse 24 mm. 



Hab, Guapiles. 



Nipteria mitellaria, sp. n. 



?. Palpi dark grey. Headand collar yellow ; someorange- 

 brown shading on vertex and collar behind. Thorax, abdo- 

 men, and wings grey, the wings thinly scaled. Fore wings : 

 a darker grey medial shade, inbent on inner margin ; a 

 similar postmedial shade, slightly angled at vein 5; a darker 

 grey line on discocellular. liind wings : a subterminal 

 darker grey line. 



Expanse 31 mm. 



Hab. Tuis. 



Astyochia lackesis, sp. n. 



cJ . Palpi dark brown. Head, collar, and patagia yellow. 

 Thorax and abdomen greyish buff. Wings whitish grey ; 

 veins, lines, discal spots, and some terminal striae fuscous 

 grey ; cilia white, shaded with grey at veins. Fore wings : 

 antemedial inbent from subcostal; subcostal and median 



