CONTENTS— co7i«. 



PAGE. 



Jamaica: Laphygma frugiperda a,tia,cking Fota.toe» .. .. 479 



Jamaica: Insect Pests in 1918-19 502 



Java : Measures against Helopeltis . . . . . . . . 499, 600 



Java : Insect Pests found in Imported Palm Seeds . . , . 488 



MOBOGCO : An Outbreak of Gneihocampa prooessionea on Cork Oaks 500 

 New Hebrides : The Bionomics and Control of Promecotheea 



opacicollis infesting Coconuts . . . . . . . . . . 468 



New South Wales : Seitala pruinosa infesting Grasses . . . . 485 



New Zealand : The Importance of Economic Entomology . . 504 



Philippines : Insect Pests in 1917 . . . . . . . . . . 493 



Seychelles : Insect Pests in 1918 . . . . . . , , , . 483 



St. KiTxs- Nevis : Cotton Pests in 1917-18 481 



Sweden : Experiments with Mixed Orchard Sprays . . . . 450 



Sweden : Notes on Bark- beetles . . . . . . . . , , 469 



Switzerland : Measures against Vino- Moths . . . . . , 488 



U.S.A. : The Bionomics and Control of Meliana albilinea limitata 



in Nebraska . . . . . . . . . . . . . . 441 



U.S.A. : New Parasites of Agrilus angelicus . . . . . . . . 442 



U.S.A. : A Fungus infesting Tibicen septemdecim . . . . . . 445 



U.S.A. : narmolita spp. infesting Cereals and Grasses . . . . 470 



U.S.A.: Insect Pests in Colorado in 1916-17 471 



U.S.A. ; Measures against Bruchus mfimanus in California . . 472 



U.S.A. : Some Phases of Insect Control by the Biological Method 472 



U.S.A. : Notes on Mealy Bugs 473 



U.S.A. : Notes on the Habits of the Beet Leaf -hopper, Eutettix 



tenella . . . . • . . . . . . . .... 474 



U.S.A. : Weevils in Australian Wheat in California. . . , . . 474 



U.S.A. : Biological Notes on Ohrysobothris femorata and 0. mali 475 



U.S.A. : Experiments with Lac-producing Insects . . . . . . 476 



U.S.A. : Insect Pests of Shade-Trees 476 



U.S.A. : The Value of Molasses and Syrups in Poisoned Baits for 



Grasshoppers and Cutworms . . . . . . . . . . 477 



U.S.A. : The local Distribution of Insect Pesta . . . . . . 477 



U.S.A.: The Parasites of Cwdia moZesia .. .. .. .. 478 



U.S.A. : European Elm Scale in Iowa . . . . . . . . 478 



U.S.A. : The European Corn Borer, Pyrausta nubilalis, in New York 478 

 U.S.A. : The Presence of Pyrausta penitalis in Connecticut and New 



York 478 



U.S.A. : A Swarm of Oalaphis hetulaecolens . . . . . . , . 479 



U.S.A. : Measures against Aphis baheri in Idaho . . . . . . 479 



U.S.A. : Sprays for the Control of Apple Aphids . . . . . . 480 



U S.A. : The European Corn Borer and its Control in Massachusetts 481 



U.S.A. : Insect Pests in Arkansas in 1918 . . . . . . , . 491 



U.S.A. : Pests of Tomatoes under Glass in Virginia . . . . 492 



U.S.A. : The Bionomics of Macrosiphum solanifoln in Virginia . . 492 



U.S.A. : Notes on Miris dolabratus , . . . . . . . . . 493 



U.S.A. : Insect Pests in 1917-18 in Wisconsin 494 



U.S.A. : The Rosy Apliis in Relation to abnormal Apple Structures 494 

 U.S.A. : Experiments for the Control of the Grape Root-worm in 



New York . . 495 



U.S.A. : Measures against Anthonomus ^randis in Georgia . . 497 



U.S.A. : Insect Injuries of Apple Fruit m New York . . . . 495 



U.S.A.: The Food- plants of Iceryo^ttrcAasi .. .. .. 501 



U.S.A. : Legislation against Bee Diseases in Florida . . . . 501 



U.S.A. : Insect Pests in Massachusetts in 1918 . . . . . . 502 



U.S.A. : Pests intercepted in Quarantine in California . . . . 503 



U.S.A. : The Periodical Cicada in Ohio 504 



The Identity of Smynthurodes betae, Westwood . . . . . . 443 



Methods for destroying Underground Insects . . . . * . 464 



The Stratification of Liquid Hydrocyanic Acid as related to Orchard 



Fumigation . . . . , . , . . . , . . . 473 



Effect of excessive Sterilisation Measures on the Germination of 



Seeds . . . 477 



The Estimation of Nicotine in Insecticides . . . . 478 



The Properties of Derris as an Insecticide . . , . . . . . 496 



