CONTENTS 



PAGE 



Officers for 1923-24 4 



Financial Statement 4 



Diamond Jubilee Meeting 5 



Report of the Council 5 



Report of the Maritime Branch ? 6 



Report of the Montreal Branch 7 



Report of the Toronto Branch 7 



Report of the British Columbia Branch '8 



Reports on Insects of the year, Division No. 3: A. Cosens 9 



Division No. 6: H. F. Hudson 10 



The Early Days of the Entomological Society of Ontario: Rev. C. J. S. Bethune. . . 11 

 The Rose Curculio in Manitoba — with Notes on Other Insects Affecting Roses: 



H. Alex. Robertson 12 



Two Problems in Natural Control: Norman Criddle 16 



The Present Status and Distribution of the Apple and Thorn Skeletonizer (Hemero- ■ 



phila pariana Clerck, Lepid.) : M. D. Leonard 18 



Taxonomic and Synonymic Tendencies with Especial Reference to Diptera: C. H. 



Curran 20 



Miscellaneous Notes on Grape Leaf Hopper Control: William A. Ross 24 



The New Regulations under the Destructive Insect and Pest Act: Leonard S. 



McLaine 27 



The Value of Natural Enemies of Injurious Insects: A. F. Burgess 30 



The Onion Maggot in Alberta: H. E. Gray. . 36 



The Onion Maggot in the Ottawa District: G. H. Hammond 39 



Onion Maggot Studies in the District of Montreal, Quebec, 1923: T. Armstrong 42 



Notes on the Life History of the Clover Leaf Weevil (Hypera punctata): H. F. 



Hudson and A. A. Wood ; ; . < 45 



Winds and Gipsy-Moth Spread: E. P.. Felt. ,,. . .-... 47 



Will the Gipsy-Moth Cross the International Boundary?: H. L. McIntyre 51 



Rhagoletis Pomonella and Two Allied Species (Trypaneidae, Diptera): C. Howard 



Curran ...;;-:. --. ..: . ~; ; -.v. .;. ;:> ; ; 56 



Insects of the Season: W. A. Ross and L. Caesar . 7. . 57 



A Study of the Pupal Case of Prionoxystus Macmurtrei: C. B. Hutchings 63 



Notes on Lice with Special Reference to the Chicken Louse (Lipeurus heterographus) : 



Dr. A. R. Wickware f* 67 



Insects of the Season in Quebec in 1923 : Georges Maheux 71 



The Spread and Degree of Infestation of the European Corn Borer in Ontario in 1923: 



W. N N. Keenan , 74 



The Status of the Control Practice for the European Corn Borer in Ontario (A 



Progress Report) : H. G. Crawford 78 



Studies in the Life-History, Bionomics, and Control of the Cabbage Worm in Ontario: 



C. R. Twinn 82 



The Entomological Record, 1923: Messrs. Criddle, Curran, Viereck and Buckell 87 



Index. 



103 



[3] 



