28 



pair of antennffi (one of which is still more enlarged at 6) , while 

 its long, hair-like beak or proboscis, used for feeding, is shown 

 curled up between its legs. 



Fig. 4.— a. Young larva of San Jose scale insect, under side, greatly enlarged, b. 

 tenna still more enlarged. 



An- 



FlG. 5. — c. An enlarged view of an adult female of 

 the San Jose scale insect, containing young, d. A 

 portion of its anal fringe still more enlarged. 



form represented in Fig. 5. 



The mature female, 

 represented greatly en- 

 larged in Fig. 0, is only 

 to be seen by removing 

 her from beneath the 

 scale at the proper 

 stage of development. 

 When the young as 

 described above has 

 reached a satisfactory 

 place of abode in its 

 wanderings, it forces 

 its sharp beak or pro- 

 boscis into the bark 

 and draws in the sap 

 of the tree, and begins 

 to form its scale. It 

 grows and soon moults 

 its skin, at which time 

 it loses its legs and 

 antennae, and takes the 

 Several broods of this insect occur in 



