17-4 



Bi()jH}/ftic\s of Crvj)lialiis al)iotis 



EGG OF C. ABIETIS. 

 The egg is oval in shape, whitish in colour, translucent; and has 

 a smooth shiny surface. The egg measures about -G mm. in length and 

 a little less than •?> mm. in breadth. 



LARVA OF C. ABIETIS (Fig. 3). 



The larva, in general appearance, is typically Scolytid. It is a soft 

 legless grub, with a curved body. The colour of the larva is yellowish- 

 white save the hard chitinous head and mouth-parts which are darkish 

 brown. The body is much wrinkled, with fine hairs scattered over it. 



i.-hU'^d. 



Fig. 3. Larva of C. ribidis, side view (greatly magnified). 



The larva is made up of the oblong chitinous head-piece— two-thirds 

 of which is retractile within the first body segment or prothorax— and 

 thirteen distinct body segments. The first three body segments form the 



