CONTENTS. 



PAGE. 



The Life-History and Habits of Phthorimaea operculella in California 433 

 Euproetis chrysorrhoea and Lymantria dispar at Fitchburg, Massa- 

 chusetts . . . . . . . . . . . . . . . . 433 



Chnetoenema ectypa (Desert Com Flea-Beetle) in the South-western 



United States . . . . . . . . . . . . . . 434 



Measures for dealing with the Attacks of Lyctus in Timber . , 434 



Two Moths injuring Plane and Elm Trees in Victoria . . . . 435 



Suggestions for combaliug Oosmopoliies sordidus (Banana Borer) 



in Jamaica . . .... . . . . . . . . . . 436 



Florida Citrus Spray . . . . . . . . . . . . . . 437 



Sugar-Cane Peste in the Philippine Islands . . . . . . . . 437 



Notes on Mayetiola destructor in New Jersey . . . . . . 437 



The Life-History of Diapus furtivua in India . . . . . . 438 



Some Indian Forest Pests . . . . . . . . , . . . 430 



Moth Borers affecting Sugar-Cane in Mauiitius . . . . . . 440 



The Campaign against Aita sexdens in Brazil . . . . . . 440 



The Control of Pteranus ribesii in Holland . . . . . . . . 441 



Tylenchus devastatrix infesting Narcissi in Holland . . . . . . 441 



Pests of Pepper in the Dutch East Indies . . . . . . . . 442 



Pests of Cultivated Plants in the Dutch East Indies in 1915 . . 442 



Banana Pests in the Saleyer Islands, Dutch East Indies . . . . 443 



The Cultivation of Cotton in Algeria . . . . . , . . . - 443 



"he Moth, Automeris janus, as an occasional Pest of Cacao in 



Trinidad . . . . . . . . . . . . . . . . 443 



The Selection of Trees against attacks of Lymantria dispar in U.S.A. 444 



Greenhouse Pests in New Jersey . . . . . . . . . . 444 



The Solpugid, Eremobates magnus, an Enemy of Ants in U.S.A. . . 444 



Forficula auricularia and its Control in Rhode Island . . • . 444 



Measures against Orchard Pests in Ontario in 1916 . . . . . . 445 



The Southern Com Bill Bug in North Carolina . . . . . . 445 



Insect Pests and their Control in Colorado . . . . . . . . 445 



The Use of Heat to Control Pests in Flour Mills in U.S.A 446 



The Discovery of the European Ermine Moth on Nursery Stock 



imported into Canada . . . . . . . . . . . . 447 



White Grub Investigations in Canada . . . . . . . . 447 



The Economic Value of Birds in S. Africa . . . . . . . . 447 



The Control of Aphids infesting Apples in U.S.A. . . . . . . 448 



Uncus cucurbitae and its Control in Hawaii . , . , . . . . 448 



Life- History of Plutella maculipennis in U.S.A. . . . . . • 449 



The Use of Nicotine Sulphate as a Spray . . . . . . . . 449 



The Life- History of Eriosoma pyricola, the Woolly Pear Aphis, in 



CaUfomia , » . . . . . . . . .... . . 450 



Trichogramma evanescens, an Egg-parasite of Donacia simplex . . 451 



Soil Grubs in the West Indies . . . . . . . . . . . . 461 



Blepharidea vulgaris, a Parasite of Cydia pomoneUa in Britain . . 451 



The Importance of Scientific Assistance in Tropical Agriculture . . 451 



Measures against Feltin exclamationis in French Vineyards . . 452 



Grasshoppers and their Control in California . . . . . . 452 



Common Plant Posts m India . . . . . . . . . ■ 452 



Pests of Phormium tenax in New Zealand . . . . . . . . 453 



Fungus Diseases in Silkworms in Russia . . . . . . . . 453 



Pests of Tea in Transcaucasia . . . . . . . . . . . . 464 



Eriophyid mites and their Control in Orchards in Russia . . . . 454 



The Effect of Snow on Insect Pests in Russia . . . . . . 455 



Precautions against Phylloxera in the Province of Don . . . . 455 



The Identification of Insects infesting stored Grain in Russia . . 455 



Now Coccid-infesting Chalcidoidea from Tropical Africa . . . . 456 



The Aphid of Tea, Coffee and Cacao {Toxoptera coffeae) . . . . 456 



New Species of Coccidae from the Tropics . . . . . . . . 456 



Rhynchota of Economic Importance in Colombia . . . . . . 457 



Insects Injurious to Vegetation . . . . . . . . . . 457 



The Fumigation of Greenhouses in U.S.A. . . . . . . . . 459 



The Control of the Hothouse MiUipec'e in U.S.A 469 



