THE MONTHLY BULTjETIN. 



109 



Fig. 90. — The cottony bamboo scale, Antonina 

 crawi Ckll. (Original.) 



Control. — Due to the thick cottony covering it is exceedingly diffi- 

 cult to kill the adults, but frequent spraying with emulsions or soap 

 solutions will eliminate the young as fast as they appear. 



COCCIN^ (Subfamily). 



The members of this subfamily may be grouped as follows: Those 

 having soft, naked bodies and retaining power of locomotion, such as 

 the soft brown scale; those having naked oval bodies with hard 

 chitinous coat, with power of locomotion only in the young stages, 

 such as. black and hemispherical scales; and those being naked with 

 waxy secretions behind or around them, with oval or fiat bodies and 

 having power of locomotion only in the young stages, such as wax and 

 cottony maple scales. 



THE FRUIT-TREE PULVINARIA. 



Pulvinaria amygdali Ckll. 

 (Pig. 91.) 



General Appearance. — The general appearance of this insect is well 

 shown in Figure 91. The body proper is yellowish to brownish and 



