HEMIPTEBA 



This scale may be studied to the best advantage from July 

 to November. It is distinguished by its circular form with 

 a minute peak at the center, and a red color beneath the 



FIG. 107. San Jose scale. The two limbs at the right are completely covered, 

 while the one at the left has only five large scales and several small ones. 

 Photograph ten times natural size. 



bark or fruit supporting it. The scales may not be per- 

 fectly round, especially on the leaves, and the peak may 

 be absent on some of them. The insect winters in a half- 

 grown state, being a mere disk of yellow covered by a 

 minute black scale. It begins to feed in the early spring 

 by sucking the sap through its beak so tightly stuck in the 

 twig that it can never be withdrawn. By June numerous 

 young may be seen within the mother if examined under 



