121 



old canes are reg-ularly cleared out of the rows when they are done 

 g-rowiag- or early in the following- year. 



It winters in the eg-g- as far north as New Jersey, but in the 

 latitude of Washington some of the eggs hatch in the fall, the 

 young- hibernating- partly grown, while in the extreme south, as in 

 Florida, this form of hibernation as an immature insect is the 

 g-eneral rule. 



Fig. 12. The Rose Scale: a, b, female and male scales enlarged, 

 stock, U. S. Dept. of Agriculture.) 



(Com- 



Fumig-ation cannot be depended upon in Illinois to free infested 

 plants, but the principal reliance must be placed on the destruction 

 of all old canes and a rejection of those young-er plants which show 

 the presence of the scale. 



The Peach-tree Borer. 

 (^San)i inoidca cxiti'osa.^ 



The peach-tree borer (Fig-. 13, 14) is well and widely known as 

 one of the most destructive insects infesting- the tree in the orchard, 

 but it is too little reg-arded by nurserymen as a pest of serious im- 

 portance to their trade. Our own observation of its abundance in 

 nurseries tends, however, to support the statements of Professor 



