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CONTENTS. 



Africa. French West : The Presence of Platyedra gossypiella 



Africa. South : Notes on Miscellaneous Pests 



Africa. South : Fumigation with Cyanide against Scale Insects 



Argentina : A New Coccid and its Chalcid Parasite 



Australia : Arsenic for Grub-infested Soils in Queensland. . 



Australia : Legislation against Insect Pests 



Australia : Lepidopterous Pests of Sugar-cane in Queensland 



Australia, Northern : Termites and their Control 



Brazil : Pests of Shade Trees and Bamboos . . 



Brazil : Measures against Mole-crickets 



Brazil : Notes on Tylenchus devastatrix infesting Lucerne . . 



British Isles : A Spray for Red Spider on Cucumbers and Tomatoes 



British Isles : Observations on the Life-history of the Wheat-bulb Fly 



British Isles : The Mite associated with Isle of Wight Disease in Bees 



British Isles : Chermes cooleyi infesting Douglas Fir 



British Isles : Coleopterous Pests of Conifers 



Canada : A New Tussock Moth on Douglas Fir in British Columbia 



Canada : Pissodes strobi infesting Pines 



Canada : The European Corn Borer 



Canada : Experiments against Phorbia brassicac 



Ceylon : The Use of Lime against Homona coffearia 



Czecho-Slovakia : Measures against the Nun Moth. . 



Denmark : Cydia woeberiana infesting the Bark of Fruit-trees 



Denmark : Notes on Mites infesting Stored Seed 



Denmark: Miscellaneous Pests in 1919 .. .. .... 



Denmark : Mathods of destroying Ants' Ne.sts 



Dutch East Indies : Experiments against Pests of Stored Tobacco 



Dutch East Indies : Notes on Pests of Hevea . . . . . . . . 



Dutch East Indies : The Commercial Aspect of Measures against 



Tea Pests 

 Dutch East Indies 

 Dutch East Indies 



on Tea 

 Dutch East Indies 

 France 



PACE 



359 

 330 

 376 

 342 

 354 

 354 

 371 

 354 

 344 

 345 

 361 

 321 

 321 

 338 

 376 

 376 

 321 

 359 

 372 

 372 

 358 

 364 

 362 

 362 

 362 

 364 

 366 

 368 



369 

 369 



France : 

 France : 

 France : 

 France : 

 France : 

 France : 

 France : 

 Franae : 

 Holland 

 Holland 

 India 

 Italy 

 Italy 

 Italy 



Damage to Tea Seed by Poecilocoris hardwicki 

 The Occurrence of Cyrtacanthacris melanocornis 



.. ..370 



.. 370 

 .. 342 

 .. 359 

 359, 360 

 .. 360 

 .. 360 

 . . 360 

 .. 360 

 .. 361 

 361.362 

 .. 359 

 .. 365 

 .. 375 

 . . 342 

 Precautions against the Introduction of the Argentme Ant . . 343 



The Preparation of Calcium Polysulphide against Chrysompkalus 



Mites infesting Tea Seed from India 



Measures against Vine Moths 



Cydia conicolana infesting Conifers 



Measures against Vine Moths 



An Outbreak of the Brown-tail Moth 



An Ancient Outbreak of Pyrausta nubilalis 



Two New Pests of Figs 



A Cecidomyiid Pest of Violets 



An Outbreak of Deilephila lineata var. livornica . . 



Notes on Miscellaneous Pests 



: Transmission of Mosaic Disease of Potatoes by Aphids 



: Hyperparasites of Panolis flammea 

 Pyrausta machoeralis attacking Teak 

 Measures against Vine Moths 



dictyospermi .. ... ... .. 343 



Italy ; Aphids injurious to Agriculture . . . . 343, 344 



Italy : Measures against Ephestia kiihniella . . 365 



Java : The Introduction and Establishment of Cryptolaemus montrouzieri 324 



Mexico : A List of Agricultural Pests 366 



Mexico : Pests of Melons and their Control 367 



Mexico : A Species of Phloeosinus infesting Cedars 367 



Morocco : Insect Pests of Citms .... 370 



New Zealand : Control of Red Mite on Fruit Trees 350 



