THE MONTHLY BULLETIN. 



Ill 



Food Plants. — Maple, pear, apple, plum, peach, grape, sumach, lin- 

 den, s3'caniore, locust, beech, elm, oak, orange, box-elder, spindle-tree, 

 mulberry, alder, hawthorn, lilac, blackberry, willow, Msculus flava, 

 Aralia japonica, Viburnum dentatum. 



Control. — Kerosene and carbolic acid emulsions, or resin wash, ap- 

 plied when the young are hatching will aid in reducing the coming 

 broods. 



Natural Enemies. — There are many natural enemies, including 

 lihizobius ventralis, Coccopliagus lecanii and Encyrtus flavus, which 

 prey upon this coccid. 



THE JAPANESE OR MEXICAN WAX SCALE. 



Ceroplastes ceriferus (Anderson). 

 (Fig. 93.) 



General Appearance. — The adults look like lumps of dough stuck to 

 the branches. The body proper is black and about the size of a garden 

 pea, with a prominent posterior tubercle or pygidium. The waxy cov- 

 ering is very thick, making the diameter of the scale from one fourth 

 to three fourths of an inch. The color of the protecting coat varies 

 from white to cream. Fig. 93. 



Life History. — Practically the same as Ceroplastes floridensis. 



Fig. 93.- — The Japanese or Mexican wax scale, Ceroplastes ceriferus 

 (Anderson). (Essig, P. C. Jr. Ent. ) 



Distribution. — In greenhouses, and taken in quarantine from Japan, 

 Mexico, India, Australia. Ceylon, Hawaiian Islands and South 

 America. 



Food Plants. — Hibiscus , Camellia, Gardenia, Myrica cerifera, tea, 

 mango and orange. 



Control. — The same as given under Ceroplastes floridensis. 



