23G 



IS SECTS INJURIOUS TO THE GRAPE. 



surface of the ground in search of more congenial quarters. 

 During the winter many of tliem remain torpid, and at that 

 season they assume a dull-brownish color, so like that of the 



Fig. 243. 



roots to \vhich tney are attached that they are difficult to 

 discover. They have then the appearance shown at 6 in Fig. 

 242. With the renewal of growth in the spring, the young 

 lice cast their coats, rapidly increase in size, and appear as 

 shown at e, f, g, in the figure ; soon they begin to depasit eggs ; 



