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Africa, South 

 Africa, South 



fnsca) 

 Africa, South 

 Africa, South 

 Africa, West : 



CONTENTS. 



Notes on \\'alnut Pests 



The Bionomics of the Maize Stalk Borer {Biisseola 



Measures against Miscellaneous Pests 

 The l^se of Insceticides and Fungicides. . 



A Pest of Oil Palms 



Alaska : Notes on Miridae . . 

 Algeria : Measures against the Olive Fly. . 

 Algeria: An Outbreak of Rhizotrogus sp... 

 Argentina : Insect Pests in 1919-20. . 



A Hispid infesting Robinia pseitdacacia 



Insect Pests of Imported Nuts . . 



The Possibilities of Damage to Wheat b\- 



217 



Argentina 

 Australia : 

 Australia : 

 khapra 

 Australia : 

 Australia : 

 Australia : 

 Australia : 

 Australia : 



Trosoderma 



A New Mite infesting Oats in N.S.W , 



Sugar-cane Pests in Queensland 



Grasshopper Control in North Queensland . . 



Legislation against Bacillus amylovorits . . 



Measures against Tetr any chits telurius in N.SA^^ 

 Australia, Western : A Bait for Ceratitis capitata 

 Australia, Western : Notes on Potato Pests 

 Brazil : A Remedy for Ants . . 

 British Isles : Frit Fly in Winter Wheat. . 

 British Isles : Measures against the Daffodil Fly. . 



British Isles: Measures against Mealy Bugs on Vines.. .. 220 



British Isles : Measures against Tra)>na aitricidae infesting Auriculas 

 British Isles ; Lasioptera ritbi attacking Raspberries . 

 British Isles : The Wooly Aphid of the Apple and Elm. 

 British Isles : The Economic Status of the Starling . 

 Canada : The Relation of Birds to Crops. . 

 Canada : Dusting and Spraying Experiments in 1920 

 Canada : Arctic Sawfles, etc. 

 Canada : Potato Pests in British Columbia. . 

 Canada : Vanessa antiopa a Pest of Elms in Quebec 

 Canada : Notes on Cephus occidentalis in Manitoba 

 Canada : Methods of Poisoning Grasshoppers 

 Ceylon : Notes on the Life-history of Coinncritis pieria 

 Ceylon: Shot-hole Borer Investigations.. 

 China : Diseases of Economic Plants in China 

 Colombia: Notes on Clover Pests.. 

 Colombia : Precautions against Locusts 

 Czechoslovakia : A Migration of the Nun ]\Ioth. 



Reports on Insect Pests in 1919 

 Hymenopterous Parasites of Stanropus alternus 

 Orthopterous Eggs in the Leaves of Tea 

 Lepidopterous Pests of Tobacco in Sumatra 

 A Nematode destroying Clidemia hirta 

 Notes on Coconut Pests 



Dutch E. Indies 



Dutch E. Indies 



Dutch E. Indies 



Dutch E. Indies 

 Fiji 

 Fiji 



France : The Bionomics of Haltica ainpe/ophaga on Vines 



France : The Occurrence of Ceratitis capitata near Paris. . 



France: Measures against Locusts.. 



France : Measures against Vine Moths 



France : Measures against the Argentine Ant 



France : A Fungus infesting Anoniala aenea 



France : Winter Measures against Enlecanium persicae. . 



Germany : OligotropJius fagicola infesting Beeches 



Germany : The Occurrence of Heliothis armigera near Hamburg. 



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