CONTENTS 



PAGE 



Officebs for 1919-1920 " 6 



Fl?fANCIAL iStatement 6 



Annual Meeting 7 



Report of the Council 7 



Librarian 9 



Curator 9 



" Toronto Branch 9 



Montreal Branch 10 



" British Columbia Branch 11 



Nova Scotia Branch 12 



Reports on Insects of the Year: Division No. 3: A. Cosens 13 



4: F. J. A. Morris 14 



5: J. W. Noble 15 



Entomological Progress in British Columbia: R. C. Treherne 16 



Results of Preliminary Experiments with Chloropicrin : G. J. Spencer 18 



Our Common Cercopidae: Geo. A. Moore 21 



My Experience this Year in Dusting and Spraying (1919) : Rev. Father Leopold. . 25 



Insect Outbreaks and their Causes : J. D. Tothill 31 



Further Notes on the Control of the Pear Psylla: W. A. Ross and W. Robinson. . 33 



The Federal Plant Quarantine Act: C. L. Marlatt 38 



Hopkins' Bioclimatic Law: W. Lochhead 43 



Locusts in Manitoba, with Special Reference to the Outbreak of 1919: N. Criodle. . 49 



Notes on Some Acrididae Found in British Columbia: E. R. Buckell 53 



One Year's Experiments in the Control of the Cabbage Maggot: W. H. Beittain. . . 61 



The Control of the Cabbage Maggot in British Columbia: R. C. Treherne 68 



Further Data on the Control of the Cabbage Root Maggot in the Ottawa District: 



A. Gibson 71 



Cabbage Maggot Control : L. Caesar and H. C. Huckett 73 



The Present Status of Mill-Infesting Insects in Canada: E. H. Strickland 77 



Some Notes on the Life History of our Common June Beetles: H. F. Hudson 81 



Report on Insects for the Year: Division No. 6: H. F. Hudson 83 



The Strawberry Root Weevil in British Columbia: W. Downes 84 



The Strawberry Root Weevil: W. A. Ross and C. H. Curran 88 



Insects of the Season in Ontario: W. A. Ross and L. Caksab • 95 



Remarks on the Ancestry of Insects: G. C. Cbampton 105 



Later Developments in the European Corn Borer Situation; E. P. Felt 110 



The Entomological Record, 1919: A. Gibson and N. Criddle • • • 112 



Index 135 



[5] 



