Phytophaga Malayana. 273 



5. Colasposoma mutahile, n. sp, 



Oblotigum, convexum, viridi-metallicum, seneum aut purpureo- 

 metallicum, antennis (basi excepta) nigris ; capite fortiter 

 piinctato, interspatiis elevato-stiigosis, fronte antice tuberculo 

 parvo, et supra tuberculum fovea parva instructa; thorace late- 

 ribus regulariter rotundatis, minus crebre punctate ; elytris 

 subseriatim punctatis, infra humeros leviter excavatis, elevato- 

 strigosis. 



Var. A. Elytris viridi-aureis, utrisque plagd magna trigonatd 

 purpurea, infra basin posita, ornatis. 



Long. 3 — 3| lin. 



Hab. Java, Borneo, Malacca, Timor. 



Head deeply punctured, puncturing subremote on the middle 

 of the front, sides obliquely elevate-strigate ; epistome longer than 

 broad, sides nearly straight and parallel, surface more closely 

 punctured than the front, coarsely rugose-punctate ; at its apex is a 

 distinctly-raised but ill-defined tubercle, immediately above which 

 on the front is an oblong excavation. Thorax more than twice as 

 broad as long ; sides regularly rounded, scarcely converging in 

 front; surface deeply but not very closely punctured on the disk, 

 sides more closely punctured ; interspaces near the lateral border 

 thickened, elevate-reticulate. Elytra broader than the thorax, 

 subquadrate-oblong, convex, excavated below the humeral callus, 

 somewhat strongly punctured ; the punctures irregularly arranged 

 in longitudinal striae ; interspaces below the shoulder elevate- 

 reticulate. 



6. Colasposoma nigriventre, n. sp. 



Anguste oblongum, viridi-metallicum, nitidum, abdomine 

 antennisque nigris ; capite fortiter punctato, vertice utrinque 

 elevato-strigoso, epistomate apice lined elevatd laevi in- 

 structo ; thorace lateribus regulariter rotundatis, ad latera 

 crebre, disco minus crebre punctato; elytris thorace latiori- 

 bus, subseriatim punctatis, striis apicem versus propesuturam 

 sulcatis, infra humeros late excavatis, irregulariter elevato- 

 strigosis. 



Long. 3 lin. 



Hab. Pulo-Penang. 



Head short, deeply punctured, puncturing subremote in the 

 middle of the front, closer on the sides j interspaces on the sides 



