304 DYNASTIX.E. 



278. Pentodon bengalense, sp. n. 



Black or piceous above and reddish beneath, with a few tawny 

 hairs on the lower surface. The body is broadly ovate and convex 

 and the elytra are only a little longer than 

 the head and prothorax together. The 

 head is finely rugose, with the clypeus 

 short and tapering, sharply bidentate in 

 front and separated from the forehead by a 

 fine carina, which is angulate in the middle. 

 The pronotum is broad and convex, strongly 

 and rather closely and evenly punctured, 

 with the hind margin a little impressed on 

 each side. The scutellum is very short, 

 smooth and slightly impressed in tlie 

 middle of the base. The elytra are short 

 and unequally punctured, the larger punc- 

 tures forming rows upon the disc and 

 Ficr. 'ii.— Pentodon those at the sides and apices being fine, 

 bengalense. close and irregular. The projyygidium is 



irregularly granulated and setose. The 

 jpyyidmm is finely and rugosely punctured near the base and 

 nearly smooth at the apex. The metastermim and abdomen are 

 smooth in the middle and finely rugose at the sides. The legs 

 are stout and the tarsi slender. The front tibia bears three very 

 strong teetli and t\^ o or three secondary denticles. 

 Length 13-14 mm.; breadth 8 mm. 

 Bengal : Pusa (March), Eajmahal. 



Type in the British Museum ; cotype in coll. E. Oberthiir. 

 1 have seen only female specimens, one of them found under- 

 ground. 



Genus MICRORYCTES. 



Microryctes, Arroiv, Trans. Eyit. Sue. Lond. 1908, p. 324. 



Type, Mici-oryctes Icanarensis, Arrow. 



Range. Tropical Asia. 



Elongate-oval and convex. Clypeus attenuated in front, w ith 

 the margin feebly notched and reflexed. Mandibles strongly 

 notched externally, i'ront transversely carinate \\ith a single 

 slight median tubercle. Prothorax simple, punctured, and bearing 

 a rather long hairy fringe at the sides. Elytra membranous at 

 the apical margins. Eront tibia 3- or 4-dentate, without inter- 

 mediate denticles. Eront tarsi slender and claws equal in both 

 sexes. Propygidium without stridulating files. 



