Education Department Bulletin 



Published fortnightly by the University of the State of New York 



Entered as second-class matter June 24, 1908, at the Post Office at Albany, N. Y., under 



the act of July 16, 1894 



No. 511 



ALBANY, N. Y. 



January 15, 1912 



New York State Museum 



John M. Clarke, Director 

 Ephraim Porter Felt, State Entomologist 



Museum Bulletin 156 



ELM LEAF BEETLE AND WHITE-MARKED 

 TUSSOCK MOTH 



BY 



EPHRAIM PORTER FELT D.Sc. 



PAGE 



Introduction 5 



Elm leaf beetle 6 



Results of attack 7 



Food plants 7 



Distribution 7 



Description 8 



Life history 9 



Natural enemies 10 



Preventive measures 10 



PAGE 



Remedial measures n 



White-marked tussock moth 14 



Description 15 



Life history and habits 15 



Food plants 16 



Natural enemies 16 



Remedies 16 



Explanation of plates 19 



Index 35 



