C4 PJnjtophaga Malnyana. 



Genus Dioryctus, SufFr. 

 Linn. Entom. xiv. p. 3. 

 1. Dioryctus grandis,i\. sp. (PI. II. fig. 5.) 

 Crassus, breviter subquadrato-oblongus, valde convexus, fulvus, 

 nitidus; antennis extrorsum, labro, raandibnlis, elytrorumque 

 margine basali tenui nigris ; thorace laevi, subremote tenuiter 

 punctato, margine basali utrinque obliquo, distincte bisinuato, 

 lobo basali angulato-producto ; elytris laevibus, subfortiter 

 punctato-striatis, interspatiis planis, ad apicem obsolete con- 

 vexiusculis, lateribus ante medium valde angulato-lobatis, 

 callo bumcrali vix prominulo. 

 Long, 2^ — 3 lin. 

 Hab. Sumatra, Penang. 



Body strongly convex, semiglobose when viewed laterally. 

 Head coarsely punctured, forehead impressed with a triangular 

 fovea, the middle of which is longitudinally grooved ; eyes long, 

 narrow, their inner edge deeply sinuate; antennae rather shorter 

 than the head and thorax, six outer joints slightly dilated, black. 

 Thorax more than twice as broad across its base as long, sides 

 quickly narrowed and rounded from base to apex ; hinder angles 

 acute, produced posteriorly ; basal margin bisinuate on either 

 side, medial lobe strongly produced, angular, entirely concealing 

 the scutellum from above ; upper surface smooth, finely punc- 

 tured, curving rapidly downwards from base to apex. Elytra 

 convex, slightly narrowed towards their apex, sides angularly 

 lobed in front, surface smooth and nitidous ; each elytron im- 

 pressed with eleven rows of distinct pale piceous punctures: 

 interspaces plane, obsoletely convex on the sides and apex ; 

 the extreme basal margin, together with the hinder border of 

 the thorax, narrowly edged with black. Pygidium coarsely 

 punctured. Prosternum strongly tricarinate, its anterior margin 

 produced intoadeflexed angular lobe. Anal segment of abdomen 

 in the $ impressed with a large deep fovea. 



Genus Melixanthus, SufFr. 

 Linn. Entom. ix. p. 8. 



1. Melixanthus interviedius, Suffr. 

 Linn. Entom. ix. p. 10. 

 Elongatus, subcylindricus, postice paullo angustatus, fulvus, 

 nitidus; antennis extrorsum nigris; elytrorum disco nigro- 



