Ileterocera from Costa Rica. GG7 



Macalla claphealis, sp. n. 



cJ . Pcilpi, head, and collar reddish brown, crossed from 

 antenna^ by an outbent whitish line. Thorax daik brown ; 

 patagiu buft-brown. Abdomen bufF-grey, with transverse 

 fuscous shades. Fore wings : base buft' from costa to sub- 

 median, streaked with reddish brown in and below cell, and 

 a small similar spot at base of costa, the whole limited by a 

 dark reddish- brown shade irrorated with black and outwardly 

 edged by a lunular black line, followed by a narrow white 

 shade, all inbent from costa to submedian; inner margin and 

 outer space olive-grey irrorated with whitish ; postmedial 

 black streaks on veins, connected by a faint fuscous shade ; 

 outer line whitish, lunular dentate, tinely edged with fuscous, 

 oblique from costa to vein 5, then parallel with outer margin, 

 followed above vein 5 by a dark brown shade and fuscous 

 streaks on veins ; a terminal black line with white points at 

 veins ; cilia whitish spotted with black. Hind wings semi- 

 hyaline whitish; costal margin and apex shaded with fuscous 

 grey ; the inner margin tinged with bufFj a terminal black 

 line. 



Expanse 29 mm. 



JJah. Sixola. 



Macalla marginata, sp. n. 



? . Body buff, the palpi and abdomen irrorated with 

 reddish. Fore wings buff ; extreme costa finely dark brown ; 

 a fine dark brown shade along inner margin, expanding 

 medially into a broad spot upturned to submedian fold ; a 

 medial black streak on costal margin ; faint brownish streaks 

 on interspaces postmedially to outer line, which is black, 

 finely lunular dentate and evenly outcurved, followed by 

 minute pale streaks on veins ; outer margin dark brown, with 

 a darker subterminal line parallel with outer line ; termen 

 irrorated with grey-buff, chiefly at apex. Hind wings buff- 

 white ; outer margin shaded with fuscous brown ; some sub- 

 terminal pale points on veins. 



Expanse 23 mm. 



II ab. Sixola. 



Macalla nehulosa, sp. n. 



? . Palpi dark brown, Frons silvery grey. Vertex 

 brown. Collar and thorax grey, the collar shaded in front 

 with orange. Abdomen buff; lateral broad fuscous shades, 

 meeting dorsally on last segments. Fore wings silky grey, 

 irrorated and shaded with fuscous brown, especially at base 



44* 



