CONTENTS— con f. 



PAGE. 



Insectg Pests in St. Vincent in 1917-18 . . . . . . . . 204 



Insect Pests in Arizona in 1917 . . . , . . . . . , 204 



Notes on Cydia molesta in U.S.A. . . . . . . . . . , 207 



Measures against Gydia pomonella in U.S.A. . . . . . . . . 207 



Aphids infesting the Apple in Virginia . . . . . . . . 207 



Dangerous Insect Pests introduced into Pennsylvania . . . . 207 



Experiments in Spraying Peaches in North Carolina . . . . 208 



The Use of Lime against Bruchids infesting Stored Peas in U.S.A. . . 208 

 Pests intercepted in Quarantine in Hawaii . . . . , . . . 208 



Mustard-growing as a Preventive of Wire- worms in Britain , . 208 



Insect Pests of Newly -ploughed Land in Britain . . . , . . 209 



Measures against Froghoppers on Roses in England . . . . 209 



J^osts of Forest Trees in Spain . . . , . ." . . . , . . 209 



Posts of Cacao in Eucador .. .. ,. .. ,. .. 210 



Now Japanese Aphids .. .. .. .. .. .. .. 211 



New Economic Strphidae in Japan . . . . . . . . . . 211 



The Rose Midge and its Control m Canada .. .. .. .. 211 



Ilemerocampa vetusta gulosa, a Pest of Conifers in British Columbia 212 

 Measures against Bhagoletis pomonella in Canada . . . . . . 212 



Successful Measures against Cotton Pests in St. Vincent. . . . . 213 



Quarantine and other Measures against Insect Pests in Florida 213, 215 

 Nursery Pests in New Jersey .. .. .. ., .. ,. 215 



Microbes causing Disease in Cockchafers and Lepidoptera in France 217 

 Experiments in the Scorching Effects of Paris Green .. .. 217 



The Bionomics and Control of CerojjiJastes fiiwewsis in Italy .. 218 



The Conservation of Stored Grain from Insect Pests in Britain . . 219 

 The Development of Economic Entomology in U.S.A. . . . . 220 



A Survey for Wheat Pests in Ohio . . . . . . . . . . 221 



Insects in Relation to Wheat Flour and "V^Tieat Flour Substitutes 



in U.S.A. .. .. .. .. .. 



Kerosene Emulsion compared with Nicotine Solution against 



Macrosiphum solanifoUi in Connecticut . . 

 The Spread of Cydia molesta in the Eastern United States 

 Eulecanium. prunastri infesting Plums in Pennsylvania 

 Pyrausta nubilalis, a serious Problem in the Eastern United States 

 Notes on Bark-borers of the Genus Melcmophila in U.S.A. 

 The Life-cycle of Lachnosterna lanceolata in U.S.A. . . 

 The Fumigation of Citrus Trees with Liquid Hydrocyanic Acid 



Gas in U.S.A 



The Identity of Oraeilaria zachrysa in U.S.A. 



Measures against Bruchids infesting Peas and Beans in North 



America 

 Varieties of Cotton suitable for avoiding Boll- Weevil Infestation 



in Georgia . . 

 Sugar-cane Pests in Guadeloupe 

 Parasites of Porthetria dispar in Spain 



Measures for dealing with Cockroaches infesting Houses in Canada 

 Measures against Phorbia hrassicae in Holland 

 Orchard Pests in Holland 

 Measures against the Olive Fly in France 

 Notes on the European Trichogramminae . . 

 A New Soolytid infesting Nutmegs in Java . . 

 A New Termitophilous Beetle in Java 

 New Termites from the Belgian Congo 

 liOgislation against the Introduction of the Alfalfa Weevil into 



California 



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