AGRILUS VIRIDIS. 



213 



(L Protective Rules. 



i. Care in planting out saplings, and choice of strong 

 healthy plants. 



ii. Smearing the saplings with a mixture of 2 parts of clay, 

 1 of lime, and 1 of cowdung, shortly before the flight of the 

 beetles. 



Fig. 82. Poplar-wood bored by Agrilus sex-guttatus, 

 Herbst. (Natural size.} 



e. Remedial Measures. 



Pulling-up and burning all infected saplings in May and 

 the beginning of June. 



2. Other Species. 



Other species of Agrilus, such as A. angustulus, 111., attack 

 oak, hazel, birch, and other saplings, and should be treated in 



