270 Phytophaga Malayana. 



motissime piinctato, lateribus rotundato-convergentibus ; 

 elytiis distincte punctato-striatis, striis disco interno bifariam 

 dispositis, nigris, utrisque plaga magna rotundata rufo-fidva 

 ornatis ; tibiis intennediis extus ante apicenn emarginatis. 



Long. I3 liii. 



Hab. Borneo (Sarawak). 



Head smooth, impuiictate ; epistome mucli longer than broad, 

 sides nearly straight and parallel in front, obliquely converging 

 towards the apex, anterior border very slightly emarginate ; 

 upper and inner margins of the eye bordered by a deeply sulcata 

 groove, the lower extremity of which is produced obliquely down- 

 wards and inwards, but only extends half-way across the upper 

 border of the encarpa ; antennas slender, nearly equal to the body 

 in length, pale fulvous, apical joints black ; jaws black. Thorax 

 shining, impunctate. Elytra distinctly and somewhat closely 

 punctate-striate, the striae on the inner disk approximating in 

 pairs. Base of thighs piceous. 



Genus Colasposoma, Laporte. 

 Silb. Rev. Ent. i. p. 22. 

 Corpus oblongum aut anguste oblongum, convexum, metallicum, 

 subtus pube sericed vestitum. Caput thorace insertum, per- 

 pendiculare ; mento angulato-inciso ; antennis filiformibus, 

 Tliorax transversus, marginatus. Elytra confuse vel sub- 

 striatim punctata. Pedes robusti ; femoribus plerumque mu- 

 ticis ; tibiis anticis in $ saepe intus curvatis, ad apicem incras- 

 satis, quatuor posticis extus ad apicem non emarginatis ; 

 unguiculis bifidis. Episierna antica cuneiformia, sidcis inter 

 presternum et episterna saepe obsoletis. 



1. Colasposoma inconstans, Baly. 

 Desc. New Gen. and Spec. Phyt. p. 14. 

 Oblongum, convexum, metallicum, nitidum, labro, ore, antennis, 

 unguibusque nigris ; capite crebre punctato, fronte in medio 

 longitudinaliter canaliculata, utrinque oblique elevato-stri- 

 gosa ; thorace longitudine duplo latiore, lateribus rotun- 

 datis, angulis omnibus dente obtuso armatis, dorso subcrebre 

 punctato ; elytris thorace paullo latioribus, irregulariter sub- 



