Elm leaf beetle 



Galerucella luteola Miill. 



1 Cluster of eggs, much enlarged 



i a Side view of single egg, still more enlarged 



2 Recently hatched larva or grub, much enlarged 



3 Full-grown larva or grub, much enlarged 



4 Pupa, much enlarged 



5 Overwintered beetle, much enlarged 



6 Fresh, brightly colored beetle much enlarged 



7 Leaf showing eating of larvae or grubs and a few holes eaten 



by beetles, eggs in clusters, cast larval skins and full-grown 

 larvae, natural size 



8 Leaf skeletonized by grubs 



9 Leaf eaten by beetles 



20 



