244 INSECTS INFESTING THE WILLOW. 



was done, and the wind breaks replaced by planting eucalyp- 

 tus trees. Last year there was no scale on the fruit. 

 Remedies. — Same as for San Jose scale, Chapter XX. 



CHAPTER CLVI. 



The San Bernardino Willow Scale. (Cal.) 



( Chionaspis orthololns. — Cunistock.) 



Order, Hemiptera ; ) j^. •, ^. _ ^ 



o 1 ' 1 TT l^anniy, Coccid.e. 



Sub-order, Homopteka ; ) •" 



[A scale insect found on the willows at San Bernardino, 

 Cal.] 



Prof. Comstock found this species on willows, and described 

 it as follows: " Color white, about one line in lenf>th. The 

 body of the female is dark purple ; eggs dark purple. This 

 species infests chiefly the bark of the small whip-like limbs 

 which spring from the trunk of the trees." 



Remedies. — Same as for San Jose scale, Chapter XX. 



INSECTS INFESTING THE POPLAR AND COTTONWOOD^ 



The following insects infest the })Oplar and cottonwood. and 

 are treated of in another part of this work : 



The San Jose Scale (A^diotiM perniciosrtit). | The Legged Locust-Borer (Xijkutug robinup). 



