Fig. S.—a, young larva of San Jose'scale insect, under side, greatly enlarged ; 6,. 

 antenna still more enlarged.— From Department of Agriculture. 



The mature female, rep- 

 resented greatly enlarged in 

 Fig. 9, is only to be seen 

 by removing her from 

 beneath the scale at the 

 proper stage of develop- 



0ment. When the young as 

 described above has reached 

 asatisfactoryplaceof abode 

 in its wanderings, it forces 

 its sharp beak or proboscis 

 into the bark and draws in 

 the sap of the tree, and 

 begins to form its scale. It 

 grows and soon molts its 

 skin, at wiiich time it loses 

 its legs and antennae, and 

 takes the form represented 

 in Fig. 9. Several broods 

 of this insect occur in a sea- 

 son, the exact number of 



Fig. 9. — c. An enlarged view of an adult female 

 of the San .Jose- scale insect, containing young ; (/, 

 a portion of its anal fringe still more enlarged. 

 —From Department of Agriculture. 



which is still in doubt, but possibly as many as five. 



