40 



Mr. H. Campion on 



black ; tihiffi with at least a black median streak externally ; 

 tarsi wholly black ; claws reddish. 



Abdomen considerably stouter than in cJ , slightly inflated 

 at segments 8 and 9 ; sides yellowish, with black rings at 

 most of the sutures ; the yellowish coming into view dorsally, 

 as spots, at the extreme base of 3-6^ at least ; ventral 

 surface mainly yellowish. 



Fig. 2. 



Isosticta robustior, Ris, J. Aual appendages, in left profile view 

 (Mt. Canala). Detail from Mt. Koghi specimen, showing longer sub- 

 apical spine on superior appendage. 



Fijr. 3. 



Isusticta tillyardi, sp. n., $ , allotype. 

 Hind margin of prothorax, in dorsal view. 



Anal appendages shorter than segment 10, directed a little 

 downwards ; in dorsal view, subtriangular^ bluntly pointed 

 at apex, slightly convergent. 



Ovipositor projecting so far beyond the end of the abdo- 

 men as to be conspicuously visible in dorsal view ; anterior 

 processes glossy black ; valves yellowish ; styles black. 



Notwithstanding that the female from Mt. Koghi, which I 



