FAMILY SCOLYTIDAE 



531 



Beetle.— (General colour black or brown ; surface densely clothed with liglit vellow hairs. 

 The club ot" antenna is oval, narrower above, and with four articulations. Funiculus is 

 fi\e-jointed. Thorax slightly broader than long. The male and 

 Description. female are, 1 think, of different colours. 



S Yellowish brown in colour. Thorax with prominent spiky 

 spines on its ui^pcM- two-thirds. The lower third and elytra pitted. Insect covered with whitish 

 hairs. 



$ I5lack, sliining, the upper two-thirds of prothorax with a dense pitted mass of yellow 

 hairs and whh a few spiky spines. Lower third of prothorax and the elytra pitted and clothed 

 with dense short yellow hairs and a few lighter-coloured longer ones. Length, ^\ in. In 

 the specimens obtained the ? appears to be somewhat larger than tlie S-^ Fig- 34','?,/', 

 shows the ^ and $ of this insect. 



This beetle is the larger of the two species of Ciyp/iulus which ha\e 



been found attacking the Pinus longifolia. It is often 



Life History. to be found in the smaller twigs of the tree in company 



with its more minute companion Ciyphalus longifolia, 



Stebbing, but it occupies a lower part of these branches and also attacks 



,/^ v'A'-'^f ^^ 



a, d" 



Fig. ^41.— Crj'_f>/i a///. s- wajor, Steb. 

 ir, dorsal and side view of male beetle ; 

 /', dorsal and side view of female beetle ; 

 <■, attacked Pinus lo)igifolia branchlets 

 showing {p) the pairing chamber, (/) the 

 horizontal tunnel down to the pith, and 

 <>) the egg-gallery ; d, larger branchlet 

 showing the same as c ; g, piece of a 

 larger P. longifolia branch severely at- 

 tacked by this beetle, showing how the i^ 

 and become indecipherable on such occasions 

 r, d^ g, from drawings by Author.) 



alleries run into one 

 N.W. Himalav: 



another 



•• (Fig. 



the main stem as well as the side branches of saplings. 



It apparently prefers dying but still green trees. 



The insect is to be found at the end of the first week 



in June burrowing into branches of old trees to oviposit. 

 A shallow irregular-shaped chamber is first bored in the sapwood beneath 

 the bark, both 6 and ? beetles taking their share in this work, both having 



L L 2 



