136 



NATURAL HISTORY OF INSECTS. 



which are covered with a waxy excretion. Adult male with 

 a single ocellus behind each eye, and a pair of bristles on each 

 side of the penultimate abdominal segment, each pair sup- 

 porting a long white filament, excreted by numerous pores at 

 the base. The fully developed female makes a dense sac of 



Fig. 322. 



waxy matter, within which the eggs are laid, and the shriveled 

 body of the insect remains. The full-grown male larva makes 

 a similar sac, within which it undergoes its metamorphosis 

 Example the Norfolk Island Pine-scale. 



Y Genus DACTYLOPIUS. 



The antennse of the female are six-jointed in the larva and 



