NEW LEPIDOPTERA-HETEROCEEA FROM FORMOSA. 3l 



The type— a male from Formosa— is in the British Museum 

 Collection. I have two specimens from Arizan (7000 ft.), taken 

 in July, 1909. 



Trisiiloides suhflava, sp. n. 



(^ . Head and collar white, the latter edged in front and spotted 

 with black ; thorax brownish mixed with white ; abdomen yellowish 

 towards base, remainder greyish, dorsal tufts blackish. Fore wings 

 blackish grey, sprinkled with white and tinged with brown on the 

 outer margin ; a white patch at base enclosing short black basal and 

 interrupted subbasal lines ; a small white spot in the cell, and a 

 larger one at end of cell, the latter enclosing a black grey mark, 

 extends to postmedial line ; antemedial line black, preceded by a 

 black mark on the costa, deeply indented about middle and again 

 before the inner margin ; postmedial line black, sharply angled below 

 costa, curved beyond cell, and obtusely angled before the inner mar- 

 gin ; submarginal hue black, irregularly serrate, foHowed by some 

 small white spots ; marginal line whitish, wavy. Hind wings yellow, 

 outer margin narrowly browiiish. Under side yellow, outer margin 

 broadly dusky limited by blackish lines ; fore wings have a blackish 

 cloud at end of the cell, and a dusky shade below ; hind wings have 

 the median third whitish from the costa to vein three. 



Expanse, 55 millim. 



Collection number, 1769. 



One male specimen from Eautaizan (7500 ft.), May 14th, 1909. 



There are unnamed specimens from Omeishan, China, and 

 Khasia, in the British Museum. 



Deilemera albofasciatci, sp.n. 



? . Head, thorax, and abdomen yellow marked with black, as in 

 D. arctata, Walk. Fore wings blackish grey ; a white longitudinal 

 line from the base under median nervure, the outer end squared, 

 a blackish dot on it near base ; a white, obhque postmedial band, the 

 inner edge indented deeply, between veins two and three, the outer 

 edge dentate ; a blackish grey mark on the band between veins five 

 and six ; white marginal spots at ends of the veins, the fourth and 

 fifth larger, connected with postmedial band by white scales along 

 veins three and four. Hind wings white, with eight black spots on 

 outer margin, sixth and eighth largest ; fringes white, marked with 

 black between veins four and five. 



Expanse, 54 millim. 



The type — a female— from Kagi district (7000 ft.), Formosa, 

 in the British Museum Collection. 



Deilemera fractifascia, sp. n. 

 Head white, a black spot on crown ; thorax white with ten black 

 spots ; abdomen white spotted with black on the anterior segments, 

 and banded with black on the posterior segments. Fore wings greyish 

 brown ; a short white streak from base under median nervure, en- 

 closing a spot of the ground colour near base ; two white marks on 

 the costa, one near base, the other at about one-fourth from base ; a 



