CONTENTS— cow/. 



Germany 



Germany 

 Germany 

 Germany 

 Germany 

 Germany 

 Germany 

 Germany 

 Hawaii : 



The Bionomics of Sitodrepa panicea 

 Cydia dorsana infesting Leguminous Croj.:i \r\ Pomerania 

 Notes on the Biology of Apanteles glomeratus 

 The Correct food-plaut of Zeuzera aesci4i 

 The Bionomics of Eriopeltis lichtensteini 

 Notes on the Biology of Melasoma populi 

 Notes on Beet Pests 



Lasiocampa quercus an unimportant Pest 

 Infestation of Sugar-cane by Termites 



Italy : The Bionomics of the Fig Scale {Ceroplasies rusci) 



Japan : The Effect of Flooding on Chilo simplex 



Japan : Notes on New Aphids 



Java: Notes on injurious Rhynchota. . 



Macedonia : A Microlepidopteron found in Pistachio Galls 



Mesopotamia : A New Termite 



New Zealand : Oil Sprays for Orchard Pests 



Rhodesia, Southern : The Bionomics of the Bean Stem Weevil 



Sweden : An Outbreak of the Nun Moth 



Syria : Infestation of Almonds with Eurytoma amygdali 



U.S.A. : Aphids injurious to Orchards 



U.S.A. : Insect Transmission of Bacterial Wilt of Cucurbits 



U.S.A. : American Foulbrood in Bees 



U.S.A. : Insect Pests in Wisconsin in 1918-19 



U.S.A. : A Handbook on Orchard Pests in Oregon . . 



U.S.A. : The Apple Maggot in New York . . . . . . . . 1 



U.S.A. : Miscellaneous Pests in New York 



U.S.A. : Lepidopterous Pests of Maize and Grasses in New York 



U.S.A. : The History of Measures against the Pink BoUworm m 

 Texas 



U.S.A. : Dusting and Spraying Experiments in Michigan . . 

 Notes on Scale Insects in Michigan . . 

 The Association of Ants and Aphids 

 The Spruce Budworm (Tortrix fumiferana) in Michigan 

 Insect Pests in Montana in 1919 



The Bionomics and Control of Agvilus angelicus 

 California 



U.S.A. : Wild Hawthorn as a Food-plant of Fruit Pests 

 Experiments against Cydia molesta . . 

 Dipping Tobacco Plants against Flea-beetles 

 The Bionomics and Control of Empoasca mali 

 Bugs injuring Beans in the Pod 

 The Bionomics and Control of Anasa iristis 

 The Probable Food-plant on which Pyrausta nubilalis 

 reached America 



U.S.A. : The Spread of Epilachna corrupta into Alabama . . 

 The Presence of Popillia japonica in Pennsylvania 

 Saperda Candida attacking the Fruit of Apple 

 A Flea-beetle attacking Apples in Pennsylvania . . 

 Measures against the Chrysanthemum Gall Midge 

 InsecfPests in Montana in 1918-19 

 General Records of Work carried on in 1918 



West Indies : A New Nematode infesting Bananas in Grenada 



Studies of Immunity in Insects 



An Introduction to the Study of Entomology (Review) 



A Review of the Literature of Potato Pests in 1918 



Contributions to a Knowledge of the _ Palaearctic Ichneumonid 

 Fauna . . . . . , . . ' 



A Summary of recent Literature on Fungus Diseases of Insects 



A List of the Hosts of Leucopis nigricornis 



LEGISLATION against the Pink Bollworm in Texas 



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