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CONTENTS, 



Africa, East : 

 Africa, East : 

 Africa, East : 

 Africa, South 

 Africa, South 

 Africa, South 

 Australia 

 Australia 



The Pests of Sorghum 

 Notes on Wild Silk-worms . . 

 Notes on Termites 

 Dasychira extorta and its Lepidopterous Parasite 

 A Tachinid Parasite of the Honey Bee . . 

 The Bionomics and Control of Argyroploce leucotreta. 

 A New Mealy Bug on Citrus Trees 

 Natural Methods of Control for White Grubs in Queensland 



Australia : Notes on Sugar-cane Pests in Queensland 



Austria : New Species of Thrips 



Brazil : Castnia licus attacking Bananas . . 



British Isles : Hylastes attenuatus in the New Forest . . 



British Isles : The Work of the Grain Pests (War) Committee 



British Isles : The Biology of Aphelenchus spp. 



British Isles : Notes on Insect Pests 



British Isles : Aphids attacking Conifers . . 



British Isles : Insect Pests of Flax in Ireland 



Chile : The Bionomiss and Control of Eriocampoides limacina . . 



Chile : The Control of Injurious Insects, etc. 



Chile : Measures against Pegomyia chilensis 



Chile : Measures against Bruchids . . 



Chile : Measures against Thrips 



Chile : Lepidopterous Pests of Potatoes 



Chile : Notes on Cutworms . . 



Chile : The Bionomics and Control of Saissetia oleae 



Cyrenaica : A List of Chalcids 



Denmark : Trioza viridula and Carrot Leaf Curl . . 



Dutch E. Indies : Measures against Lepidopterous Pests of Tobacco 



Dutch E. Indies: Coffee Pests in 1920 



Federated Malay States : Notes on miscellaneous Pests 



France : The Bionomics of Apanteles rubecula 



France : Measures against Vine Moths 



France : The Bionomics and Control of Platyparea poeciloptera 



France : The Oviposition of Pinipla instigator 



France : Leptomonad Infection in Euphorbia 



France : The Use of Pyrethrum and Nicotine against Clysia ambiguella 



France : Measures against Pieris brassicae 



France: Phora fasciata paTSLSitiaed hy Homalotylus eitelweinii .. 



Germany : The Arsenic Question in Viticulture 



Germany : Travelling Exhibition of the Plant Protection Service 



Germany : Ants as House Pests 



Hawaii : Pests intercepted in Quarantine . . 



HAWiK|i : Miscellaneous Pests in 1919-20 



Hawaii : Notes on the Importation of Fig Wasps 



Holland : Thysanoptera in Greenhouses . . 



Holland : The Parasites and Hyperparasites of Panolis flammea 



Holland : The Effect of Hydrocyanic Acid Gas on the Eggs of Mala- 



cosoma tteustria 

 Holland : The Bionomics of Dermestids 

 Holland : A Beetle injurious to Cattleya . . 

 Holland : Scolytids infesting Elms . . 



Hungary : Acyrthosiphon (Macrosiphum) pisi attacking Lucerne 

 Hungary : Notes on Lepidopterous Pests . . 

 India : The Food Plants of Forest Insects 

 India : Insect Pests of Tea in North East India in 1920 

 Indo-China : Notes on Coccids and Aleurodids 



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