74, 



Indian Museum Notes. 



[ Vol. III. 



A NEW WOOD BORER. 

 By Oliver E. Janson, F.E.S. 



[ The specimens from which this species is described were said to have been found 

 attacking oak stumps in Deoband, North-Western Provinces, in December 1881. 

 They are referred to the Coleopterous Family Scolytidae, sub-Family Platypides. — Ed.] 



Diapus, impressus n. sp. — Rufo-brunneus, elytris flavo-testaceis, 

 apice rufo-brunneis, antennis pedibusque flavis. Capite parce punctato, 

 vertice tri-carinato, carinis nitidis, prothorace oblongo, lateribus emargi- 

 natis, elytiis subtiliter punctato-striatis, inters titiis duabus suturalibus 



magis elevatis. 



Long. 34 — 4 millimetres. 



1 



$ Clypeo utriuque profunde impresso, elytris apice truncatis iuerrais. 



$ Clypeo punctato, elytris apice quinque-spinosis. 



Deoband, North- Western Provinces, India. 



Red-brown, shining, basal margin of the thorax and the elytra 

 brownish yellow, apical portion of the latter red-brown; legs and 

 antennae pale yellow; the knees brownish. Head dull, sparsely punc- 

 tured, three carinae on the vertex, and one on each side behind the eyes 

 shining ; the clypeus, in the male, occupied by two large deep impres- 

 sions separated by a narrow median carina and margined at the base by 

 an obtuse bi-sinuous carina ; in the female sub-convex, coarsely punctured, 

 with a feeble median carina ; antennae with the scape broadly pyrif orm. 

 Thorax oblong, strongly emarginate at the sides before the middle, the 

 basal margin bi-sinuous, a row of hirsute punctures close to the anterior 

 margin, the base finely and closely punctured and with a slight median 

 line. Elytra punctate-striate, the second stria from the suture and the 

 outer marginal one broader and more strongly punctured, the first and 

 second interstices from the suture strongly raised, the fourth slightly 

 convex; the apex coarsely punctured, sub-truncate and unarmed in the 



