398 Longicornia Malayana. 



round spot, another large spot at the apex, humeral stripe nearly 

 extending to the apical spot ; body beneath with a close white 

 pubescence ; legs more thinly pubescent ; antennae black. 



Length 6 — 8 lines. 



The general colour seems to be black, but with a lens the derm 

 is seen to be of a dark chalybeate-blue. 



Glenea mathematica. 

 Slibara mathematica, J. Thomson, Arch. Ent. i. 144. 

 G. capite prothoraceque nigris, hoc angusto, lateribus fere 

 parallelis, in medio vitta ochracea ; vertice vittis duabus ; 

 elytris fuscis, vitta suturali ad apicem baud currente, vitta 

 humerali maculaque apicali, ochraceis ( ^ ). 

 Hah. — Java. 



Head and prothorax black, the latter narrow with the sides 

 nearly parallel ; two stripes on the vertex and two on the protho- 

 rax pure ochraceous ; scutellum rather narrow, rounded behind, 

 ochraceous ; elytra dark reddish-brown, a narrow sutural stripe 

 not extending to the apex, and a humeral stripe nearly united to 

 a large oblong apical spot, ochraceous ; body beneath brown, the 

 sides striped with white ; legs luteous ; antennae reddish-brown. 

 Length 5 lines. 



In colour and form recalling G. Anona, but obviously more 

 nearly allied to the following. 



Glenea afgebraica. 

 Stibara algebraica, J. Thomson, Arch. Ent. i. 144. 

 G. fusca, vitta lata ochracea a vertice ad apices elytrorum, 



vitta humerali nidla (^ $). 

 Hnb. — Sarawak, Singapore. 



Dark brown, a broad well-marked ochraceous stripe extending 

 from the vertex to the apices of the elytra and terminating at the 

 outer spine, the front entirely whitish, or whitish with a large 

 central blackish spot, the vertical stripe either fading away in 

 front or well limited; scutellum semicircular; body beneath uni- 

 formly white, with the middle of the abdomen generally luteous ; 

 legs testaceous, tarsi whitish ; antennae dark brown. 

 Length 5 — 6 lines. 

 The side of the prothorax is sometimes divided by a white stripe. 



