CONTENTS -cont. 



PAGE. 



India : Insect Pests of Tea in 1919 530 



India : New Microlepidopterous Pests . . . . . . . . 534 



Italy : A Morphological and Biological Study of Blasiophaga 



'psenea . . . . . . . . . . . . . • . • 534 



Java : Notes on Insect Pests in 1919 522 



Java : New Microlepidopterous Pests . . . . . . . . 534 



Java : Notes on the Identity of Tobacco Pests . . . . . . 540 



Madagascar : A Coleopterous Peat of Coffee . . . . . . 539 



Philippines : Notes on New Chalcids . . . . . . • • 521 



San Thom6 : A New Chrysomelid attacking Cacao . . . . 515 



Santo Domingo : Measures against Protoparce Carolina infesting 



Tobacco 527 



Spain : The Olive Scale and its Natural Enemies . . . . . . 514 



Spain : Bhizotrogus aesiivus, a Pest of Olive-trees . . . . . . 539 



Sumatra : The Spread of a Fungus due to the Presence of Laicana 513 



Sumatra : Insect Pests in 1918-19 . . . . . . . . 537 



Switzerland : Hydrocyanic Acid and its Importance against 



Insect Pests 522 



Trinidad : The Effect of Frog-hoppers on Sugar-cane . . . .531, 532 



U.S.A.: Insect Pests in Alabama ,. .. .. .. •. 513 



U.S.A. : Wood-boring Beetles of Black Locust in Louisiana .. 516 



U.S.A. ; Notes on New Chalcids 521 



U.S.A. t Measures against Insect Pests in Mississippi . . . . 521 

 U.S.A. : The Bionomics and Control of Dendroctorms hrevicomis 



in Oregon . . . . . . . . . . . . . . . . 523 



U.S.A. : Measures against Cydia pomonella in Colorado . . . . 527 



U.S.A. : Precautions against the Introduction of Pyraustu 



nuhilalis into Maine . . . . . . . . . . . . 528 



U.S.A. : Insect Pests in Maine in 1919 529 



U.S.A. : Measures against the Gipsy Moth in Maine . . . . 629 



U.S.A. : Sprays for Apple Pests in Maine . . 529 



U.S.A.: Avocado Pests in Florida .. .. .. .. .. 530 



U.S.A. : The Transmission of Mosaic Disease of Maize by Insects 531 



U.S.A. : An Outbreak of Hessian Fly in Ohio . . . . . . 531 



U.S.A. : The Bionomics and Control of Pieris rapae in Wisconsin . . 632 



U.S.A. : Measures against the Pea Moth in Wisconsin . . . . 532 



U.S.A. : Fumigation Experiments against Insects . . . . 533 



U.S.A. : The Classification of Anthomyid Flies . . . . . . 533 



U.S.A. : Costs of Spraying Apples in Oregon . . . . . • 534 



U.S.A. : Legislation against Insect Pests in Arkansas . . . . 544 



West Indies : Insect Pests in Montserrat . . . . . . . . 623 



The Literature on Potato Pests in 1918 . . . . . . . . 522 



Notes on European Trichogramminae . . . . . . - . 541 



The Value of Resinol Solutions as Insecticides . . . . . . 542 



