lifSECTS INJURIOUS TO CLOVER. 



175 



suggested by Prof. F. M. Webster, who advises ^^ plowing 

 the infested fields as soon as the hay cro2:> is removed and 



Fig. 96. — Continued. 



before the larvae have advanced to the pupal stage. If the 

 roots are thrown up to the hot sun and dry winds at this 

 time, they will dry out and thus starve the young larva?, 



