540 L. de Niceville & Dr. L. Martin — Butterflies of Sumatra. [No. 3, 



682. PlRDANA HTELA, HewitsOTl. 



Hagen. Originally described from Java, from whence I possess 

 both sexes. Found also at Sungei Ujong in the Malay Peninsula. In 

 this species the underside of both wings is striped with green along the 

 veins, in P. pavona, de Niceville, the underside is not thus marked. We 

 possess only four specimens taken in Bekantschan in July and August. 



683. Pirdana pavona, de Niceville, n. sp. 



Habitat : Perak in the Malay Peninsula ; N.-E. Sumatra ; Java. 



Expanse : 6", 185 to 2-25 ; 9 , 1'90 to 2-30 inches. 



Description: Male. Upperside, both wings glossy hair-brown. 

 Forewing unmarked, the cilia brown. Hindwing unmarked, the cilia 

 yellow, narrow anteriorly, wide posteriorly, and the yellow colour 

 extending on to the wing membrane broadly at the anal angle. Under- 

 side, both ivings very dark verditer green. Forewing with the inner 

 margin broadly as far as the median nervure and second median nervule 

 dark ochreous, merging anteriorly into dark brown ; the cilia pale 

 brown. Hindunng unmarked, except that the anal angle is somewhat 

 broadly brown anterior to the broad outer yellow area, which latter, 

 together with the cilia, are as on the upperside. Body above dark 

 brown. Palpi and body beneath with a small anal tuft yellow. Female. 

 Upperside, both icings glossy hair-brown. Forewing with the basal half 

 glossed with deep shining steel bluish-green. Hindwing with the 

 basal two-thirds glossed with the same colour; the yellow colour at the 

 anal angle twice as broad as in the male. Underside, both ivings with 

 the green ground-colour of a much paler shade than in the male. 

 Hindwing with no brown area at the anal angle, the angle itself even 

 more broadly yellow than on the upperside. 



Allied to Hesperia ismene, Felder, from Celebes; Hesperia hyela, 

 Hewitson, from the Malay Peninsula, Java and Sumatra; and Pirdana 

 rudolphii, Elwea and de Nice'ville, from Sikhim, the Khasi Hills and 

 Tavov in Lower Burma, but differing therefrom in the ground-colour of 

 the underside being uniformly green, instead of dark brown with the 

 green colour arranged in stripes along the veins. 



lVscribed from one male from Perak, a single male from the 

 Battak mount iins of N.-E. Sumatra taken in January, and a male and 

 two females (the types) from Java, received without precise locality 

 from Heir H. Fruhstorfer. 



684. Plastingia callineora, Felder. 



Originally described from Java. Hesperia latoia, Hewitson, des- 

 cribed from Singapore, is a synonym, as is also I believe P. margherita, 



