NEW LEPIDOPTERA-HETEROCERA FROM FORMOSA. 287 



enclosing a discal dot. Hind wings fuscous merging into whitish on 

 the outer margin. 



Expanse, 52 millim. 



Collection number, 1202. 



One female specimen from Kanshirei (1000 ft.), May 29th, 

 1908. 



Euproctis unifascia, sp. n. 



^ . Fore wings yellowish buff ; postmedial band brownish, 

 slightly turned inwards towards the costa, edged on each side by a 

 whitish line. Hind wings paler, as also is the under side of all the 

 wings. 



Expanse, 21 millim. 



Collection number, 36. 



Two male specimens, one from Tainan (on the plains), April 

 17th, 1906 ; the other from Kanshirei, July 1st, 1908. 



The band of the fore wings in the Tainan specimen is 

 narrower than that of the Kanshirei type, the under side of the 

 fore wings is clouded with fuscous, and it measures 24 millim. 

 in expanse. 



Euproctis insulata, sp. n. 



(? . Head pale brown, thorax reddish brown ; abdomen paler, 

 anal tuft yellow buff. Fore wings pale purplish brown, finely sprinkled 

 with black scales ; a yellow buff discal spot, around which the black 

 scales are more numerous ; outer margins bordered with yellow buff, 

 enclosing a series of black dots (5-7), not extending to the costa ; a 

 projection of the ground colour intersects the yellow border one-third 

 from apex. H,ind wings pale buff' with dusky central shade. 



$ . Similar to the male, but the outer marginal border of fore 

 wings is of a deeper colour, and the anal tuft is browner. 



Expanse, 3" 48 millim., $ 60 millim. 



Collection number, 1781. 



Two male specimens and one female taken in May, 1909, at 

 Eantaizan (7500 ft.). 



Allied to E. marginata, Moore, from Sikkim, 



Pida postalba, sp. n. 



3' ■ Head and thorax brown inclining to reddish, palpi blackish 

 above, taw^ny beneath; abdomen blackish, segmental divisions whitish, 

 anal tuft yellow. Fore wings greyish brown, sprinkled with blackish 

 scales, and with indications of pale ante- and postmedial lines ; a 

 large creamy white apical patch, and a narrow white lunule at outer 

 extremity of the cell. Hind wings white, with some fuscous hairs 

 on the abdominal area. 



$ . Fore wings greyish brown, without apical patch ; antemedial 

 and outwardly angled postmedial lines pale grey but not distinct 

 except towards the inner margin and the costa ; the space between 

 the lines is of an obscure olive brown tint ; lunule at end of the cell 

 very faint ; hind wings white. 



Expanse, <? 54 millim., J 57-60 millim. 



