Ileterocerafrom Costa Rica, 237 



tlie costa faintly mottled with biov.n ; a wliitish-bufF shade 

 below cell to .sulniiedian and teiinen, thickly mottled witii 

 fuscous to beyond middle, then less so ; a similar broad shade 

 on outer margin from vein 4 to above vein 6, crossed by 

 indistinct fuscous lines. Hind wings : costal margin broadly 

 fuscous, edged behind by a lunular white line; posterior 

 portion lilacine, with faint brownish spots. Fore wings 

 below fuscous, the costa and apex buff-brown, and some 

 similar irregular subterminal markings. Hind wings below : 

 costa brownish, with black strite; cell and beyond to apex 

 fuscous grey, shading behind to black; the lunular white 

 line suffusing with white ground-colour of posterior portion 

 of wing ; the spots distinct, bright brown. Wings narrow ; 

 outer margin of fore wing oblique, of hind wing crenulate, 

 incurved below apex and excised below vein 3. 



Expanse 33 mm. 



Hab. Sixola. 



Pyralidae. 

 Subfam. Cbjmbinje. 

 Chilo marcella, sp. n. 



? . Palpi, head, collar, thorax, and fore wings ochreous 

 brown, the wings finely irrorated with fuscous grey ; abdo- 

 men above and hind wings fuscous grey. Fore wings : a 

 dark point at end of cell ; a postmedial outcurved smies of 

 smoky spots on interspaces; a faint subterminal, lunular, 

 dentate line, broken by veins ; minute fuscous-grey terminal 

 spots on interspaces; cilia of both wings tipped with whitish. 

 Wings below fuscous grey, the margins pale buff, widest on 

 termen and apex of fore wing. 



Expanse 61 mm. 



Hab. Sixola, Esperanza, La Florida. 



Some specimens are browner, others paler than type. 



Daratoperas vinasella^ sp. n. 



tJ. Palpi fuscous, fringed above with whitish buff. 

 Head, collar, and thorax whitish buff. Abdomen above 

 fuscous brown, terminal segment whitish buff. Fore wings 

 pale buff; some scattered black scales ; a small black spot at 

 end of cell ; a smoky shade along median and veins 3 to 5 

 to termen ; a fine smoky postmedial line, deeply outcurved 

 beyond cell and inbent to middle of inner margin, slightly 

 inangled below vein 2 ; a similar subterminal line, straighter 

 and dentate from costa to vein 5 ; terminal black spots on 



