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CONTENTS. 



Africa, East : Notes on the Egg-parasites of the Coffee Bug 



Africa, South : Braula caeca, a Dipterous Parasite of the Honey Bee . . 



Measures against Miscellaneous Pests 



Orchard Pests and their Control . . . . . . 578, 



New Species of Termites 



Food-plants of Lepidopterous Larvae 

 Albania : Notes on Thysanoptera 

 Argentina : The Doubtful Value of Coccobacillus acridiorutn against 



Locusts 

 Australia 

 Australia 

 Australia 

 Australia 

 Australia 



Africa, South 

 Africa, South 

 Africa, South 

 Africa, South 



New Species of Scale Insects 



Biological Control of the Prickly-pear 



A new Grass Pest in Queensland 



Legislative Precautions against Bacillus amylovorus . . 



Notes on the Shot-hole Borer {Platypus omnivorus) in New 



South Wales 



Australia : Sugar-cane and Banana Pests in Queensland 



Austria : A new Thrips infesting Wheat in Styria . . 



Brazil : The Utilisation of Prospaltella berlesei against Diaspis pentagona 



Brazil : The Presence of the San Jose Scale 



Brazil : The Damage done by Leaf-cutting Ants . . 



British Isles : The Cynipid Hyperparasites of Aphids 



British Isles : The Need for Regulations dealing with the Purity of 



Insecticides . . 

 British Isles : The Classification of Aphids . . . . . . 597, 



British Isles : New and Imported Species of Coccids 



Canada : Codling Moth Control in British Columbia 



Canada : The Food-plants of Malacosoma americana 



Canada : Miscellaneous Pests in 1920 . . . . . . . . 582 



Canada : A Revision of the Species of Syrphus allied to S. ribesii 

 Canada : Grasshoppers and their Control in British Columbia 

 Ceylon : Notes on Coconut Pests 

 Ceylon : Notes on Miscellaneous Pests 

 Easter Island ; A new Bark-beetle . . 

 Fiji : A Report on Coconut and Citrus Pests 



Fiji : The Partial Success of the Tachinid Parasite of Rhabdocnemis 

 obscura . . . . . . . . . . . . . . " . . 



Finland : A Monograph of Bark-beetles (Review) . . 

 Formosa : A new Parasite of Perkinsiella saccharicida 

 France : A new Lepidopterous Pest of Maples 

 France : Notes on the Asparagus Fly 

 France : The Establishment of Aphelinus tnali 



Measures against Aphis rumicis in Bean Fields 



Review of the Literature on Soils that are free from Phylloxera 



An Outbreak of Cephaleia abietis on Spruce 



The Use of Lime against Wireworms 



Notes on Bark-beetles 



The Training needed for the Plant Protection Service 



Capsid and other Bugs infesting Chrysanthemums 



Insect Pests of Nettles 



Measures against Tortrix pygmaeana 



An Aphid infesting Conifers 



A Millipede injurious to Sugar-beei 



Pests of the Soy Bean in Baden 



The Bionomics of the Rape Weevil, Ceuthorrhynchus assimilis 



Measures against Cydia dorsana infesting Peas 



Experiments with Arsenical Salts against Cydia pomonella 



Germany 

 Germany 

 Germany 

 Germany 

 Germany 

 Germany 

 Germany 

 Germany 

 Germany 

 Germany 

 Germany 

 Germany 

 Germany 

 Germany 

 Germany 

 Germany 

 Germany 

 Germany 

 (Germany 

 Guiana, British : The Early History of Sugar-cane Borers 



Pests of Spruce Cones and Seed in Upper Bavaria . . 607, 

 Coleopterous Pests of Beet 



Restrictions of the Use of Arsenicals in Viticulture .. 610, 



Measures against Forest Pests . . . . . . . . 613, 



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