NEW SPECIES OF LEPIDOPTEKA FROM FORMOSA. 267 



Pydna sordida, sp. n. 



Antennae fasciculate ; head pale brown, crown darker ; thorax pale 

 brown mixed with darker; abdomen brown. Fore wings pale brown 

 inchning to whitish on costal area ; a longitudinal brownish streak 

 from base passing through cell almost to termen, its outer extremity- 

 expanded and united with a brownish streak from apex of the wing ; 

 dorsum also brownish; postmedial line represented by a slightly- 

 curved series of black points on the nervules ; a terminal series of 

 black dots between the nervules. Hind wings pale brown, suffused 

 with fuscous on the disc. Under side pale brown, rather silky. 



Expanse, 46-50 millim. 



Collection number, 1228 a. 



Two male snecimens from Piantaizan, May 11th and 13th, 

 1909. 



Allied to P. pallida, Butl. 



Pydna nchulusa, sp. n. 



Antennae fasciculate ; head and thorax whitish, the latter mixed 

 with brownish in front ; abdomen brown, edges of segments and the 

 mider side whitish. Fore wings whitish brown, suffused with 

 ochreous brown and clouded with darker brown on the disc ; sub- 

 basal and antemedial lines indicated by black dots ; postmedial line 

 represented by black dots on the veins, preceded by less distinct 

 black dots between the veins ; a brown dash from middle of the base 

 of the wing extending to a black spot placed just beyond antemedial 

 dots ; three inwardly oblique brown streaks on terminal area, the 

 upper one extending from apex of the wing to postmedial dots ; a 

 series of black dots on termen. Hind wings dark fuscous, costal area 

 and fringes whitish brown. Under sides whitish brown, clouded 

 with dark fuscous. 



Expanse, 40-43 millim. 



Collection number, 1229. 



Two male specimens from Arizan (7300 ft.), August 10th and 

 15th, 1908. 



Allied to P.frucjalis, Leech. 



Pydna inconspicua, sp. n. 



Antennae bipectinate; head, thorax, and abdomen whitish brown, 

 the latter rather darker above. Fore wings whitish with faint 

 ochreous tinge, dorsal area clouded with brov/nish and a longitudinal 

 dash of the same colour below the cell ; subbasal and antemedial 

 lines indicated by black dots ; postmedial line fuscous, wavy, dotted 

 with black on the veins ; black dots on the termen. Hind wings 

 whitish with traces of a dusky postmedial line on dorsal area. Under 

 side of fore wings fuscous, costa and fringes pale bufi" ; hind wings 

 whitish. 



Expanse, 40 millim. 



Collection number, 1228. 



A male specimen from Arizan (7300 ft.), August 10th, 1908. 



