CONTENTS- con<. 



i\lALAYA : Measures against Orycies rhinoceros 



Malaya : Notes on Coconut Pests . . 



Malaya : Legislation against Insect Pests in Johore 



Mexico : Notes on Cotton Pests and their Control 



Mexico : The Utilisation of Coccohacillns acridiorutn against Locusts 



Mexico : ^Methods for combating Ants 



Mexico ; The History of the Pink Bollworm 



Mexico : The Cochineal Insect 



New Zealand : Insect Pests of Lemons 



Russia : Vegetable Pests in Kishinev 



Spain : Notes on Agricultural Pests 



Sweden : Notes on Trichothrips pini 



Sweden : Notes on Bark-beetles 



Tripoli : Pests of Pelargonium radula 



U.S.A. : Nicotine Dust for the Grape Leafhopperin California . . 



U.S.A. : Hopperbum of Potato and its Control 



U.S.A. : Miscellaneous Pests in 1920-21 



U.S.A. : The Artificial Production of Tipburn 

 U.S.A. : Measures against Aegeria exitiosa 

 U.S.A. : The Potato Leafhopper and its Control . . 

 U.S.A. : Experiments for the Control of the Codling Moth in Colorado 

 U.S.A. : The Argentine Ant in Califomian Citrus Orchards 

 U.S.A. : Blister Beetles in Kansas . . 

 U.S.A. : Measures against Insect Pests of Avocado 

 U.S.A. : Scale Insects infesting Mango 

 U.S.A. : Arizona Wild Cotton and its Insect Enemies 

 U.S.A. : Natural Enemies of the Fall Canker Worm 

 U.S.A. : A Comparison of the European Com Borer and the Sugar- 

 Moth Borer 

 U.S.A. : The Army-worm in South-east Missouri . . 



•U.S.A. : Factors determining Local Infestation of the Grape Berry Moth 

 U.S.A. : The Effect of Time of Sowing upon the Wheat Sheath Worm 

 U.S.A. : Thrips tabaci on Onions in Iowa 

 U.S.A.: The Protection of Timber from Termites . . 

 U.S.A. : A Capsid infesting Beans in Louisiana 

 U.S.A. : Leafhoppers injuring Woodbine in Massachusetts 

 U.S.A. : A Seed Potato Maggot {Hylemyia trichodaciyla) in Maine 

 U.S.A. : The Protection of Mealy Bugs by the Argentine Ant . . 

 U.S.A. : A Home Made Mechanical Poison Bait Mixer 

 U.S.A. : Natural Enemies of Laphygma frugiperda 

 U.S.A. : A new Aphid on Oak in California 

 U.S./ . : Pests intercepted in Quarantine in California 

 U.S.A. : New Scales from Mississippi 

 U.S.A. : The Chinch Bug in Indiana 



U.S.A. : Measures against the Cabbage Root Maggot in Indiana 

 U.S.A. : The Citrus Thrips in Arizona 

 U.S.A. : Codling Moth Control in Colorado 

 U.S.A. : Insect Pests in Georgia in 1920-21 

 U.S.A. : Agromyzid Flies of the Genus Leucopis in lUino 

 U.S.A. : Measures against Chinch-bugs in Illinois 

 U.S.A. : Insects injurious to Stored Grain . . 

 U.S.A. : Methods of Destroying Grasshoppers in Illinois 

 U.S.A. : The Corn-root Aphis in Illinois 

 U.S.A. : The Spread of the European Corn Borer . . 

 U.S.A. : Notes on Cirphis unipuncta in Illinois 

 U.S.A. : Sprays for Control of San Jose Scale in Illinois 

 U.S.A. : Tests of the Purity of Insecticides 



U.S.A. : Orchard Pests in New York 210, 



U.S.A. : European Com Borer Situation in New York 



U.S.A. : Insect Pests in Indiana in 1920-21 



U.S.A. : Prune Pests in California . . 



U.S.A. : A Practical Method of liberating Parasites of Black Scale 



Uruguay : Fissodes notatus attacking Pines 



West Indies : Precautions against Cotton Pests in Porto Rico 



West Indies : Precautions against Pink Bollworm in Dominica 



West Indies : A new Mite on Grape Vines in Trinidad 



Chalcids of the Family Eupelmidae 



The Effect of Paradichlorobenzene on Poultry food 



Notes on the Bionomics of Chalcids 



The Cultivation and Utilisation of Pyrethrum 



Legislation against Insect Pests in Canada 



Legislation against Insect Pests in Johore 



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