Ilelerocera from Costa Rica. 115 



Mictochroa amhigua, sp. n. 



c? . Frons fuscous brown ; vertex, collar, and thorax 

 roseate brown ; abdomen grey with darker irrorations. Fore 

 wings roseate brown, thinlj iirorated with black; lines 

 fine, black, the antemedial and medial indistinct, the post- 

 medial distinct, finely wavy and outciirved ; cilia fuscous. 

 Hind wings fuscous grey ; cilia roseate buff mottled with 

 black. 



Expanse 26 mm. 



Hah. Juan Vinas. 



Chalenala noxia, sp. n. 



Palpi, liead, collar, and shoulders dark brown ; thorax and 

 abdomen creamy white irrorated with brown. Fore wings 

 creamy buff; costa at base and medially shaded with dark 

 brown ; traces of an antemedial fine rust-brown line ; 

 orbicular a black point ; a broad medial shade, widest at end 

 of cell and on costa, its outer edge dentately outcurved 

 beyond cell, dark brown, inwardly shaded with rust-brown, 

 and wifli a fuscous shade on discocellular ; postraedial and 

 subterminal rust-brown spots between the veins, partly 

 suffusing; marginal brown shadings broadest between veins 

 3 and 5 ; terminal fuscous spots between the veins ; cilia 

 mottled black and grey. Hind wings fuscous grey. 



Expanse 20 mm. 



Hab. Juan Vinas. 



Ozarba agraria, sp. n. 



? . Head, collar, and thorax lilacine brown, shaded and 

 irrorated with black ; abdomen fuscous brown with pale 

 transverse lines. Fore wings brown, palest on outer margin ; 

 base shaded with fuscous, with traces of a buff-brown basal 

 line ; antemedial buff-brown, outcurved ))elow cell, shaded 

 on either side with fuscous brown ; a wavy fuscous-brown 

 geminate medial line ; reniform space to costa buff, with a 

 downcurved buff shade between 3 and 4, containing some 

 greyish scales ; postmedial bufi', incurved, oblique from costa, 

 angled between 7 and 6, and 5 and 4, then wavy to inner 

 margin, edged with fuscous brown, which is velvety out- 

 wardly from costa to vein 6, followed by a fuscous-brown 

 shade and a velvety streak between veins 6 and 7 to sub- 

 terminal ; subterminal fine, buff, wavy, followed by a velvety 

 brown-black spot at apex ; a dark terminal line, somewhat 



