50 



A. WATSON 



fore wing, the paler ground-colour of the wings, and by the presence on the fore 

 wing of two discocellular spots. 



Wing. $ 18-0-21-0 mm. (6) ; $ 24-0 mm. (1). 



Distribution. China (Hupeh, S. Shensi) and Japan (see Inoue, 1959, 1962). 



Material examined. Types, acuminata. Holotype <$, Ichang [Hupeh], vii. 1888; 

 Drepanidae genitalia slide No. 735. In the BM(NH). 



ogasawarae. Two syntypes, Japan, Honshu ; in the University of Hokkaido, 

 Japan. [Not seen.] 



Figs. 72-75. Betalbara acuminata, genitalia. 72, aedeagus ; 73, $ eighth sternite and 

 apodemes of eighth tergite ; 74, o* ; 75. ?• 



