CONTENTS— coMi. page 



British Guiana : Social Beetles and their Relation to the Ant-plant 



Tachigalia . . . . . . . . . . . . . . . . . . 348 



British Guiana : New Parasites of Pseudococcus bromeliae . . . . 349 



British Isles : The Importance of Beneficial Insects . . . . . . 339 



British Isles : The Life-history of the Flax Flea-beetle in Ireland . . 339 



British Isles : Notes on Aphids from Sutherland . . . . . . 351 



British Isles : Nosema apis and Acarapis woodi in relation to Isle of 



Wight Bee Disease 353 



British Isles : The Larva and Pupa of a Parasitic Phorid . . . . 353 



British Isles ; Red Spiders on Cucumbers and Tomatos . . . . . . 362 



British Isles : Insect Pests in 1921 .. .. .. .. .. .. 366 



British Isles : Possible Transmission of Chocolate Spot Disease of Broad 



Beans by Bruchids . . . . . . . . . . . . . . 367 



British Isles : Notes on the Douglas Fir Seed Fly . , 368 



British Isles ; Insect Pests in Scotland in 1919 and 1920 . . 382, 383 



British Isles : The Relation of Insects to the Fertilisation of Fruit . . 391 



British Isles : A New Genus of Aphids . . . . . . . . . . 392 



Canada : The European Corn Borer in Ontario . . . . . . . . 385 



Canada : Crop Rotation against Insect Pests . . . . . . . . 388 



Canada : The Western Wheat-stem Sa%vfly and its Control . . . . 389 



Cuba : A new Thrips on Coconut . . . . . . . . . . . . 366 



Cyprus : Notes on Insect Pests . . . . . . . . . . 376, 377 



Czecho-Slovakia : The Bionomics and Control of Loxostege sticiicalis 342, 343 



Czecho-Slovakia : Notes on Rhynchaenus fagi . . . . . . . . 342 



Czecho-Slovakia : Notes on Agrotis segetum . , . . . . . . 342 



Czecho-Slovakia : Notes on Miscellaneous Pests . . . . . . . . 343 



Dutch East Indies : Methods of Fumigating Tobacco Leaf against Lepi- 



doptera . . . . . . . . . . . . . . . . . . 344 



Dutch East Indies : The Leaf-rollers of Tea in Java . . . . . . 359 



Dutch East Indies : Miscellaneous Pests in 1921 . . . . . . 374, 375 



Dutch East Indies : Notes on Coconut Pests . . . . . . . . 376 



France : Measures against Cutworms in Vineyards . . . '. . . 346 



France : The Parasites of Pieris brassicae . . . , . . . . . . 359 



France : The Bionomics of Habrobracon spp. . . . . . . . . 364 



France : The Campaign against Locusts . . . . . . . . . . 364 



France : Notes on Vine Moths . . . . . . . . . . . . 376 



France : A Brief Resume of Nursery Conditions . . . . . . . . 381 



France : Glyphodes umonalis infesting Jasmin Flowers . . . . . . 385 



French Colonies : Legislation against Stephanoderes hampei . . . . 369 



Germany : Legislation against Potato Nematode in Mecklenburg- 



Schwerin . . . . . . . . . . . . . . . . . . 371 



Germany: Birds as Destroyers of the Woolly Aphis . . .. .. .. 371 



Germany : Melo'e proscar abacus as a Pest of Red Clover . . . . . . 371 



Germany : A New Dust for Injurious Insects . . . . . . . . 386 



Germany : Tests of the Insecticidal Power of Compositae . . . . 387 



Hawaii : Insect Transmission of Yellow Stripe Disease . . . . . • 347 



Hawaii : Pests intercepted in Quarantine . . . . . . . . . . 390 



Holland : An unknown Disease of Elms . . . . . . . . . . 345 



Holland: Chloroclystis rectangtilata inie%t\ng Vvait Trtes, . . .. .. 345 



Holland : Diseases and Pests of Tomatos . . . . . . . . . • 346 



Holland : A Brief Resume of Nursery Conditions . . . . . . . . 381 



India: Review of Agricultural Operations in 1920-21 ., .. .. 359 



India : Insect Pests in Travancore in 1920-21 . . . . . . . . 359 



India : Insect Pests in Mysore . . . . . . . . . . 360, 389 



India : Insect Pests of Sal . . . . . . . . . . . . • • 369 



India : Lepidoptera found on Tea Estates . . . . . . . . • • 378 



India : Pests of Pinus longifoliei . . . . . . . . . . ■ ■ 389 



Indo-China : The Breeding of Parasites of Xyloirechus quadripes . . . . 384 



Italy : The Life-cycle of Aploneura lentisci , . . . . . . . . • 370 



Italy: The Value of Agrarian Measures against Pests of Agriculture .. 371 

 Italy : The Bionomics and Control of the Olive Fly . . 371, 372, 373 



Italy : Measures against Locusts ... . . . . . . ■ . 373, 374 



Malay Archipelago : Notes on New Fig Insects . . . . . . • • 369 



Pacific Islands : New Thysanoptera . . . . . . • • • • 345 



Philippines : Insect Enemies of Nut Grass . . . . . . ■ . • ■ 348 



Philippines : A Host Index of injurious Insects . . . . . . ■ ■ 378 



Rumania : Melolontha melolontha in Bessarabia . . . . . . ■ • 387 



Russia : Pyrausta nnhilalis infesting Maize in the Don Region . . . . 359 



Russia : The Present Status of Entomology and Entomologists. . . . 381 



San TnoMi: : A Chrj-somelid Pest of Cacao . . . . . ■ ■ • • • 344 



