INSECTS AND DISEASES 321 



uated on houses and other objects away from 

 the trees the young can be kept from the foliage 

 by banding the trees with some sticky prepara- 

 tion which will keep them from crawling up 

 the trunk. In the winter the cocoons bearing 

 egg masses should be collected and burned so 

 as to destroy all the young that are present. 

 A favorite place for the situation of cocoons 

 is under the overlapping weather-boards on the 

 sides of houses. In summer, after the cater- 

 pillars make their appearance, they can be de- 

 stroyed by spraying the trees with Paris green 

 solution. [Douglass.] 



Verbena Mite — See Mite. 



Willow-U'Orm — Long, black larva feeding on 

 leaves of willow, poplar and elm. Arsenite 

 sprays are remedies. 



INSECTICIDES 



The following mixtures are referred to in the 

 list of insects : 



Arsenate of Lead — ^Four ounces to five gal- 

 lons of water. This insecticide can be used 

 with comparative safety on plants of delicate 

 foliage. 



Paris Green — ^To ten gallons of water add 

 ■one ounce of Paris green and two ounces of 



