58 



A. WATSON 



$ genitalia (Text-fig. 90) : dorsal surface of ninth tergum heavily sclerotized, with single 

 small digitate posterior process medially. 



Measurements. A.P.R. : $. i\ ; $. 8. Wing : <J. 21-5 mm. (1) ; $. 24-5 mm. (1). 



Discussion. Distinguished by the genitalia from ramosa, clenchi, confusa and 

 disspinosa, each of which is nearly identical externally to unispinosa. 



Figs. 87-90, Negera unispinosa, genitalia. 87, 3 ; 88, aedeagus ; 89, posterior margin of 

 6" eighth abdominal tergite and sternite ; 90, $ (dorsal view). 



