PLANTING AND CARE OF TREES 



159 



trees, but sometimes on fences and buildings, in July or August. 

 The}' are arranged in oval masses and are covered with short hairs. 

 The whole mass presents a creamy or yellowish apj^earance. They 

 remain in this condition until the following May, when the young 

 caterpillars appear and begin feeding upon the expanding foliage. 



Larva Papae " Adults 



Fig. 80. The Elm-Leaf Beetle in its various stages. 



Fig. 81. Holes 

 made by the adult 

 Elm-Leaf Beetles. 



Fig. 82. Elm-Leaf Beetle Larvae work- 

 ing on the under side of a leaf. (Natural 

 size.) 



