FAMILY SCOLYTIDAE 



531 



Beetle. General colour black or brown ; surface densely clothed with light yellow hairs. 

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



five-jointed. Thorax slightly broader than long. The male and 

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



$ Yellowish brown in colour. Thorax with prominent spiky 



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

 hairs. 



2 Black, shining, the upper two-thirds of prothorax with a dense pitted mass of yellow 

 hairs and with 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, T * 5 in. In 

 the specimens obtained the 5 appears to be somewhat larger than the $. Fig. 341, rt, t>, 

 shows the $ and 5 of this insect. 



This beetle is the larger of the two species of Cryphalus which have 



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 Cryphalus longifolia, 



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



yv \r v* 



FIG. 341. Cryphalus major, Steb. 

 a, dorsal and side view of male beetle : 

 /', dorsal and side view of female beetle : 

 c, attacked I' in us lou^ifoHa branchlets 

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

 horizontal tunnel down to the pith, and 

 (e) the egg-gallery ; d, larger branch let 

 showing the same as c ; g, piece of a 

 larger /'. longifolia branch severely at- 

 tacked by this beetle, showing hmv the galleries run into one another 

 and become indecipherable on such occasions. N.\V. Himalaya. ;Fi-. 

 ( . i/, ,;'", from drawings by Author.) 



the main stem ;is 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 9 beetles taking their share in this work, both having 



L L 2 



