FAMILY SCOLYTIDAE 545 



In case of severe attacks of these pests in areas where natural 

 regeneration is urgently required, I would recommend 



the use of fire. When a severe attack is in progress a 

 of Protection. 



careful watch should be kept over the area affected, 



and when the maximum number of infested seeds have fallen to the ground 

 the undergrowth should be fired. In Assam this period would be about the 

 first week or so in June. This firing would kill off large numbers of the 

 pests, and would thus enable next year's crop of seed to reach maturity. 

 This suggestion could fall in with the experiments conducted by Mr. Perree 

 in Goalpara in 1905-6 in firing areas to get rid of the dense undergrowth, 

 grass, etc., with the object of obtaining natural regeneration. 



Coccotrypes sp. 



Habitat. South Malabar, Madras. 



Tree Attacked. Teak (Tcctona grandis). Nilumbur Teak Plantations, 

 South Malabar. 



Beetle. The only specimen taken was in too poor a state of preservation to make it 

 possible to determine whether it is C. integer or other known species of the genus 



I cut a specimen of this scolytid out of a green dying branch of a teak- 

 pole. The beetle oviposits in the bast layer and sapwood, the grubs 

 feeding in the bast only. 



DRYOCOETES. 

 A species of some importance infests the oak in the North-West Himalaya. 



Dryocoetes hewetti, Stebbing. 



RKKKRENCES Stebbing, Some Undescr. Scolyt. I ml. For. Mem. Zool. Ser. vol. i, pt. i, p. 1 1 (1908); id. Ins. 

 Pes. Himal. Oaks, Ind. For. Records, vol. ii, pt. i, 15 (in "'i'- 



Habitat. Kumaun, North- West Himalaya. 



Trees Attacked. Moru Oak (Oacrcits dilatala], Ban Oak (Oncrcns 

 incanui. Naini Tal and Kumaun Oak Forests. 



Beetle. A small oblong black insect with a reddish-chestnut tinge. llc:id with front 

 slightly convex, shining, punctate, very finely transversely striate at sides, with long scattered 



hairs on front and a fringe of hairs on mouth. 1'rothorax slightly 



Description. broader than long, base truncate, humeial angles rounded, sides 



and apex forming a blunt ellipse ; surface convex, raised into a point 



medianly and depressed posteriorly ; granulose, the granulations coarse on anterior half, 

 especially on disk, and much liner posteriorly. Scu'.ellum rather large, shining, comes, 

 rounded. Elytra slightly broader apically than pmthorax and a fouitli as long again ; 

 truncate at base, apex strongly rounded ; surface shining, flat medianly and stmnjy derlixoiis 

 apically, the declivity shining and edged with long spiny hairs; test of surface with rows of 

 punctures which are tine basally and laterally and continent and rugose medianly. I'ndcr- 

 surface lighter reddish- brown medianly, witli loiigish hairs dense Liter. ilk. Length, 

 2.5 mm. to 3 mm. 



9003 M M 



