of Vat tie 



ORONO 



BULLETIN 265 OCTOBER, 1917 



THE BIOLOGY OF THE ALDER FLEA-BEETLE 



CONTENTS. 



PAGE 



Occurrence and Distribution 249 



Life History of the Individual 253 



Tht Range of Food Plants _ 270 



Activities of the Alder Flea-Beetle _ 272 



Natural Knernies 273 



Control _ 274 



The Synonymy of the Genus Altica Geoff roy 274 



