494 



WARO N AK AH AR A : 



hairs on each segment ; on the ventral side, the hair bundles consist 

 of more numerous hairs ; the last three segments much slender than 

 the others ; paired lateral appendage of male not long, pointed, fuscous 

 at tip ; a large ventral appendage directed upwards, its tip covered 

 with fine hairs ; suranal plate much more hairy. 



Wings nearly uniform light brown, somewhat darker at costal and 

 apical areas ; veins entirely pale. 



Forewing with costal cross-veins less than ten in number ; none 

 of them separated from others, nor connected with one another by 

 cross- vein ; three cross-veins between radius and its sector ; a cross- 

 vein between the sector and the hindmost branch of it ; veins in 

 stigmatic region undeveloped ; subcosta terminally quite imperfect ; 



median forks not connected 

 with cubital. 



Hind-wing rather wide in 

 the pterostigmatic region, pro- 

 duced and rounded ; with six 

 costal cross- veins at base, the 

 innermost cross -vein a little 

 separated from the rest ; me- 

 dian and cubital forks connected by a cross-vein. 



Measurements : 



Length of body 3.5 mm. 



„ „ antennae 3 „ 



„ forewing 4.5 „ 



Width of „ 2.5 „ 



Length of hindwing 4 „ 



A single male specimen in my collection. It was captured by my 

 friend, Mr. T. Esaki, in his garden in Osaka, middle of August 

 I9Ï3- 



Fig. 1. 



Sisyra japonica n. sp. 

 Fterostigmatic region of fore-wing. 40 x . 



