NEW SPECIES OF LEPIDOPTERA FROM FORMOSA. 267 
Pydna sordida, sp. n. 
Antenne fasciculate; head pale brown, crown darker; thorax pale 
brown mixed with darker; abdomen brown. Fore wings pale brown 
inclining 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 specimens from Rantaizan, May 11th and 18th, 
1909. 
Allied to P. pallida, Butl. 
Pydna nebulosa, sp. n. 
Antenne fasciculate ; head and thorax whitish, the latter mixed 
with brownish in front ; abdomen brown, edges of segments and the 
under 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. frugalis, Leech. 
Pydna meonspicua, sp. n. 
Antenne bipectinate; head, thorax, and abdomen whitish brown, 
the latter rather darker above. Fore wings whitish with faint 
ochreous tinge, dorsal area clouded with brownish 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 buff; hind wings 
whitish. 
Expanse, 40 millim. 
Collection number, 1228. 
A male specimen from Arizan (7300 ft.), August 10th, 1908. 
