INJURING THE LEAVES. 



137 



during the early part of the present century. The 

 eggs (Fig. 68, a,) are laid on the under side of the 

 leaf in two or 

 three rows, each 

 group consist- 

 ing of from five 

 to twenty eggs. 

 At e in the fig- 

 ure the y are 

 shown consid- 

 erably magni- 

 fied, and as will 

 be seen they are 

 very close to- 

 gether, and fas- 

 tened securely 

 to the leaf. In & l 

 about a week 

 the larvae hatch 

 and begin eat- 

 ing the leaves, 

 causing them to 

 look as if rid- 

 dled with fine 

 shot. 



become full y /.. beetle; e to k magnified." 



grown (g) in two or three weeks, when they descend 

 to the ground, and, finding some convenient shelter, 

 change to pupae (,/). Ten days later the perfect 

 beetles (c, natural size ; k, magnified,) come forth and 

 eat the leaves, although the damage done by the 



1 hey Fig. 68. Elm Leaf-beetle : a, eggs ; b, larvae ; c, beetle ; 

 all natural size ; e, eggs ; g, larva : j, pupa ; 



