I.NSKCTS, Fl'.\(;l, PLANT IUSKASKS, LT< '. 



149 



"(3.) As precautionary measures to prevent the intro- 

 duction of the scale into now districts, the following con- 

 siderations are important: No orchardist should admit a 

 single young fruit tree or a single cutting from a distance 

 into his orchard without first carefully examining it and 



Fig. 53— Protoparce Carolina, a, Aduit moth, b, Full grown larva, c, Pupa, 

 natural size. Howard, Div. Ent. IT. S. Dept. Agri. Year Book, 1898. 



satisfying himself conclusively that it does not carry a 

 single specimen of the Sau Jose scale; he should insist, 

 also, on a guaranty from the nurseryman of such free- 

 dom. In addition, no fruit should be brought upon the 

 premises without previous careful inspection. If this 

 course is adopted by every one interested, without excep- 

 tion, the rate of spread of the species may be limited to 



