1919 



ENTOMOLOGICAL SOCIETY. 



59 



Fig. 11. — Field of corn slaowing typical spotting of field caused by White 

 Grubs (Lachnosterna spp.) 



Fig. 12. — Trees defoliated by May-beetles {Lachnosterna spp.). The trees 

 in centre are bur oak and the tree to right an elm. 



Fig. 13. — Hickory woodlot defoliated by May-beetles {Lachnosterna spp.). 

 The undefoliated tree to left is an apple. 



