CONTENTS. 



Page, 



Aprica : Notes on Tobacco Pests . . . . . , . . . . 424 



Africa : Notes on New Apliids . . . . . . . . . , 447 



Africa, East : Measures against Flax Caterpillars . . . . . . 432 



Africa, South : Notes on New Coccids . . . . . . , . 447 



Africa, West : A New Mite infesting Cotton . . . , . . 426 



Algeria : Coleopterous Pests of Vines . . , . . . 419, 451 



Algeria : Insect Pests of Beetroot . . . . . . . . . . 450 



Algeria : Measures against Scale Insects . . . . . . . . 450 



America, North : The Classification of the IcHNEuaiONiDAE . . 417 



Argentina : The Bionomics of Golias lesbia infesting Lucerne . . 433 



Argentina : A Lepidopterous Pest of Oranges . . . . . . 434 



Assam : Insect Pests in 1919-20 461 



Australia : Notes on Sawflies . . . . . , . . . . 442 



Australia : An American Thrips on Tobacco in N.S.W. . . . . 443 



Austria : The Pests of Stored Products and their Control . . 425 



Austria : Notes on Potato Pests . . . . . . . . . . 426 



Brazil : The Origin, Bionomics and Control of Platyedra gossy- 



piella. 421, 445 



Brazil : Measures against the Cabbage Aphis , . . . . . 452 



Brazil : A Lepidopterous Pest of Cactus . . . . . . . . 452 



British Isles : Precautions against Ckermes attacking Douglas 



Fir 423 



British Isles : Notes on the Classification of Braconidae . . 429 



British Isles : The Food-Plants of the Common Earwig . . . . 432 



British Isles : Notes on Carnation Pests . . . . . . . . 441 



British Isles : Measures against Furniture Beetles . . . . 443 



Canada : The Transmission of Mosaic Disease of Potatoes by Insects 422 



Canada : Miscellaneous Pests in Manitoba . . . . . . . . 437 



Canada : A Weevil infesting Lilies in Vancouver Island 438 



'~ \ ADA : Notes on Eriophyid Mites in British Columbia , , . . 438 



LON : A Note on Suana concolor . . . . . . . . 457 



uociiiN China : Lepidopterous Pests of Rice . . . . . . 451 



Dutch East Indies : The Bionomics and Control of the Coffee-Berry 



Borer, Stephanoderes hampei . . . . . . . . . . 447 



Dutch East Indies : Notes on Tea Pests. , . 452, 453, 455, 456, 457 



Dutch East Indies : Notes on Tetranychus telarius and other Mites 454 



Dutch Guiana : A Cocoon-spinning Thrips . . . . . . . . 422 



Dutch Guiana : Measures against Cacao Thrips . . . . 439, 440 



Europe, Central : The Species of Geuthorrhynckus of the Group 



chalybaeus . . . . . . . . . . . . . . . , 452 



France : The Formation of New Colonies by Termites 

 France : A New Coccobacillus infesting Lepidopterous Larvae 

 France : The Bionomics of Ehacodineura antiqua . . 

 France : Coleopterous and other Insect Pests of Vines 

 France : Measures against the Spread of the Argentine Ant 

 France : The Value of Insectivorous Birds . . . , . . 



Germany : Orchard Pests in 1920 



Germany : New Species of Mites 



Germany : The Breeding of Phylloxera Adults and their Progeny 



Germany : A New Research Institute for Combating Animal Pests 



at Munich 

 Germany : The Use of Hydrocyanic Acid Gas against Vine Moths . 

 Germany : Measures against Flour Mill Pests 

 Germany : Propaganda on Applied Entomology 

 Germany : Potato Pests in 1917 

 Germany : Investigations on Insecticides 

 Hawaii : The Efieot of Sprays on the Control of Leafhoppers by 



Parasites 



421 

 421 

 432 

 432, 434 

 461 

 461 

 426 

 426 

 427 



Hawaii 

 Hawaii 

 Hawaii 

 Hawaii 

 Hawaii 

 Hawaii 

 Hawaii 

 Hawaii 



The Fern Weevil Menace . . 



Bruohid and other Pests of Prosopis juliflora 



Pests intercepted in Quarantine 



Natural Control of Scale Insects . . 



Notes on Nesotocus giffardi 



A New Immigrant Termite 



Notes on Immigrant Ichneumonids 



Notes on Bethylidae 



427 

 427 

 428 

 429 

 429 

 429 



430 

 430 

 430 

 431, 460 

 434 

 434 

 435 

 435 

 435 



