CONTENTS— co«f. 



PAGE. 



The Tdf-ntity of the Bpecies of OaUruceUa feeding on Azalea in 



I' s \ ' . . . . . . 284 



A Xi r,]Iing Phorbia brassicae in U.S.A. . , , , 284 

 ') h( (' of Varieties of Maize to Leaf -hoppers in 



285 



' [feat and Drought on Aphidei in France . . . . 285 



t> of the Introduction of Beneficial Insects into France 285 



ith Chlorpicrin as an Insecticide . , . . . . 285 



'■' ■ ■ - injurious to Stored Tobacco in .Java . . 286 

 uire in India in 1916-1918 .. .. 286 & 287 



iiH; lace w oriji, ii/icnchus angusius, and its Control in Bengal .. 289 



Coleopterous I^ests of Forests in India . . . . . . . . 291 



'' 'lota inie^ting Bombax malaharicum in AsBam .. .. 292 



figainst Orchard Pests in Georgia" . . . . . . . . 292 



. -jul i xi>eriments in Dusting against Orchard Pests in Canada 292 



\ ; i rt; on Zevgophora scutellaris infesting Poplars in New Jersey . . 293 



■ , ,v Afpihod of Staining Coccids . . . . . . . . . . 293 



ivist Grasshoppers in Indiana . , > . . . . . 293 



it. Spain 293 



"t Maize in New South Wales 294 



. '^-f infesting ^McaZi/pt-ws in Australia .. .. .. 294 



Kotos on Australian Sawflies . . . . . . . . . . . . 294 



A New Chalcid parasitic on the Australian Bulldog Ant . . . . 295 



T -cane Pests in Queensland .. <. .. .. .. 295 



i^roposal to introduce Insect Pests of Hypericum into Australia 295 



.Measure-s against Cotton Pests in St. Vincent . . . . . . 295 



The Inheriiance of Immunity to Leaf-Blister Mite in Cotton in the 



^Vest Indies < 296 



Mctliods of poisoning Anthonomus grandis in U.S.A. . . . . 290 



The Bionomics of the Mealy Plum Aphis in U.S.A. . . . . 297 

 Sex- determination and Biology of Hadrobracon hrevicornis in 



U.S.A . . . . 297 



The Biolos^ oi Paracopidosomopsis floridensis in TJ.S.A. .. .. 298 



'flic Pliysiology of Wing Development in Aphids . . . . . . 299 



Insert f'ests of Balsam Fir in Quebec .. .. .. .. 299 



Notes on the Poplar Borer {Saperda calcarata) in Canada . . . . 300 



The Importance of Natural Control of Insects in Canada . . . , 301 



Notes on the Apple Maggot {Bhagohtis jyomonella) in Nova Scotia 302 



The Bionomics of Estiqmsne aeraea in Nova Scotia . . . . . . 302 



Experiments with a Copper Dust as a Substitute for Bordeaux 



Mixture in Nova Scotia . . . . . . . . . . . . 303 



Notes on the Life- History of Three Common Chrysomelids in Nova 



Scotia . . .' 303 



A Modified Bordeaux Mixture for Use in Apple Spraying in Nova 



Scotia 304 



N ote^? on OZ«n.c r'o^mis on Apple in Nova Scotia .. .. .. 305 



Insecticides used m Orchards in Nova Scotia .. .. .. 305 



Notes on Lygws campestris in Nova Scotia . . . . . . . . 306 



'J'ho Life-History of Abbotana clemataria in Nova Scotia . . . . 306 



A Key to the Crambinae of Nova Scotia . . . . . . . . 306 



A Tree Hopper new to Nova Scotia . . . . . • . . . • 306 



New Coccids from Argentina . . . . • . • • 307 



A New Biiprestid from Ari>:ona . . . . . . . . 307 



A Kcvv- Aphid injurious to Phyllostaehys in U.S.A. . . . , . , 307 



New parasitic Ichneumonids in U.S.A. . . . . • • • • 307 



,\ Xew Species of Bucmlairix injurious to Hollyhock in California 307 



■.!(a>,ur<s for spraying Orchard Posts in New Zealand .. .. 303 



The Occurrence of the Pear Thrips in Ontario . . . . , . 308 



Noies on Brachys spp. infesting Oaks etc. in New Jersey . . . . 308 



against Bnlaninus mtcuvi infesting Nuts in Britain . . 308 



Cecidomyiids causing Galls in Rice etc. in India . . . . 309 



"■^idMoths and their Control in Nova Scotia .. .. 309 



!H;; 1 British Guiana in 1917 310 



lus.Gv, ...:.,. in Fiji in 1917 311 



Legislation against Pi/mt<sto mtbiiali« in Canada t. .. .. 312 



