April, '16] 



JOURNAL OF ECONOMIC KNTOM(JLOGY 



Plate 16 



Timber putelx iWiui' oak and luckury; at riulteville, \\ i.>., Jcluliated by 

 May-beetles. Shi'ubs at the base of trees and portion of boxelder tree at 

 extreme left undefoliated. June 1, 1914. 



Large cottonwood, an a.sh and . . .Li.U l...i uuus tklulialed by Alay-beetlcs. 

 An apple at extreme left untouched. Galena, 111. May 13, 1914. 



