THE BRAMBLE FLEA-LOUSE 



255 



a complete revolution before they resume their usual course. 

 The leaves curl up, and become matted around the curl, so as to 

 make a safe harbor for the lice-like larvae, which during the 

 summer appear on the under surface of the leaves. I presume 



Mistletoe of the blackberry. 



we can get clear of this insect, after the larvae are produced, 

 by cutting off the curls and burning them." 



In 1880 A. S. Fuller calls attention to the rapid increase of 

 this insect, and to the great injury to blackberry plantations 

 caused by it. It is also mentioned by W. C. Strong, in his work 

 on fruit culture, as doing great damage in some localities. The 



