CONTENTS•-co?)^ 



PAGE 



Forest Pests in Canada . . . . . . . . . . . . . . 641 



The Establishment of Foliates annularis in Montser''at . . . . 541 



An Outbreak of Iyoj)7i2/g/Jia/«i5ri'pe>'rfa in North Care, Hna .. .. 542 



Cotton Stainer Control in St. Vincent . . . . . . . 642 



The Establishment of Beneficial Parasites in Hawaii . . . . 642 



Pests intercepted in Quarantine in Hawaii . . . . . . . . 543 



Precautions against the Pink Bollworm in U.S.A. . . . . . . 543 



Measures at^ainst Laohnosterna in ^^^sconsin . . . . . . . . 544 



Measures against San Jose Scale in Wisconsin . . . . . . 544 



The Transmission of Mosaic Disease of Tobacco by Aphids in U.S.A. 545 



Macrosiplmm solamfoUi and its Control in U.S.A. . . . . . . 645 



Notes on the Grasshoppers of Kansas . . . . . . . . 645 



The CocciDAB of Kansas . . . . . . • . . . . . . 54G 



The Bionomics of the Spring and Autumn Cankerworm in Kansas 546 



Measures against Teiranychus telarius in Greenhouses in U.S.A. . . 547 



Notes on Japanese Aphids . . . . . . . . . . . . 647 



Pests of Stored Products in Argentina . . . . . . . . 548 



New Weevils infesting Orchids in U.S.A. . . . . . . . . 649 



New Tachinid Parasites of Eleodes in U.S.A. . . . , . . 549 



Uemiiaxonus multieinckis infesting Ferns inOhio . . . . . . 549 



New Chaleids from the Seeds of AmelancJiier in U.S.A. . . . . 649 



The Systematic Position and Parasitic Habits of the Genus Oryssvs 



in U.S.A 660 



Notes on the Biology of ScMzonoius sieboldi in U.S.A. . . . . 551 



A New Goleoplwra injurious to Apple in California . . . . . . 551 



The American Species of the Genus Of^p/iws .. .. .. .. 651 



A New Longicorn Beetle infesting Cowpeas from Mexico . . . . 551 



Notes on the Larvae of some Cephidae in U.S.A. . . . . . . 552 



Insect Pests in Hawaii in 1917 . . . . . . . . . . 552 



Herse convolvuli, a Pest of Sweet Potatoes in New Zealand . . 562 



Sprays and Spraying in Orchards in New Zealand . . . . . . 653 



Cranberry Pests in Massachusetts in 1916 . . . . . . . . 553 



Pyraxista nubilalis and its Control in Massachusetts . . . . 664 



Insects Pests in Wisconsin in 1915 and 1910.. .. .. .. 555 



Measures against an Invasion of Locusts in Uruguay . . . . 55G 



Notes on Egyptian Cerambtcidae . . . . . . . . . . 557 



The Susceptibility of the Egyptian Varieties of Cotton to Attack 



by Insects . . . . . . . . . . . . . . . . 557 



Methods of combating Garden Pests in Hawaii . . . . . . 557 



Problems of Wheat Storage in Australia . . . . . . . . 558 



Sucking Insects of the Apjjle in Nova Scotia. . . . . . . . 558 



Some Injurious Moths in Nova Scotia in 1915 . . . . . . 558 



Orchard Spraying in Nova Scotia . . . . . . . . . . 659 



Apple Dusting in Nova Scotia . . . . . . . . . . . , 559 



Notes on various Plant Pests in Nova Scotia . . . . . . 659 



Control Measures against Lygus communis in Nova Scotia . . . . 559 



Spraying Experiments in Nova Scotia . . . . . . . . 559 



Comparison of Dusting and Spraying Ajiples in Nova Scotia . . 5G0 



Apple Spraying in Nova Scotia . . . . . . . . . . 660 



Cranberry Insect Problems and Suffgestions for solving them in 



U.S.A .. '' .. .. 561 



Pear-tree Sawflies in France . . . . . . . . . . . . 504 



A Method of obtaining Beet Leaf -hoppers non -virulent as U 



Curley-top .. .. .. .. .. .. .. .. ' 504 



Some of the Principal Insects affecting Vegetables in Trinidad and 



Tobago ' 565 



Notes on Plant Pests in New Mexico . . . . . . . . . . 565 



Two Grass-Root Aphids in Colorado . . . , . . . . . . 665 



Spread of ths Mexican Cotton BoD Weevil in the United States . . 566 



The Polyhedral Virus of Insects . . . . . . . . . . 566 



The Original Home of the Pink Bollworm . . . . . . . . 667 



A New Bacterial Disease of Gipsy-Moth Caterpillars . . . . 668 



Fumigation of Citrus Trees in U.S.A. . . . . . . . . 668 



White Grubs [LachnosUrna) in U.S.A. . . . . . . . . 508 



