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CONTENTS. 



PAGE. 



The Mangrove Borer infesting Ca^uarina equisetifoUa in Florida . . 265 



Four recently described Parasites of Bmchophagus Junebris in U.S.A. 26.5 



Two Species of Pegomyia mining the Leaves of Dock in U.S.A. . , 266 



The Advantages of Fumigation against Gocous cUrioola in California 267 



The Control of EuropeanFoulbrood in Bees in U.S.A. , . . . 267 



Aphids infesting Apples in Britain . . . . . . . . . , 267 



Hymenopterous Parasites of TTe.-iperopJicmes griseus in France . . 268 



A New Eumolpid attach ■ ' o in San Thome .. .. .. 268 



Measures against Locu.^ a . . . . . . . . . . 268 



Notes on Fruit-flies of 1 : ' ■'■-pha in Brazil . . 268 



The Eolation of the Mo i a Trinidad ,, 26') 



'Notes on Xylotrechus qu'i' i, ■ yrr, ,,^ ,-,.,^iu, .. .. .. .. 26i) 



Vegetable Pests in France in 1917 .. .. .. .. .. 270 



Bacterial and Fungus Diseases of (' n . ihm^ampa pityocamjxt in Franco 270 



Insect Pests of Rice in Argentina .. .. .. .. 271 



Cotton Pests in Argentina . , . . . . . . . . 27 1 



Citrus Pests in Argentina . . . . . . . . . . . . 27:^ 



Coleopterous Pests of Spruce in Finland .. .. ,. .. 272 



A New Sawfly infesting Fruit Trees in Japan . . . . . . 27.1 



A Report on Regulations respecting Sericulture in Japan . . 27;> 



Miscellaneous Insect Pests in Korea , . . . . . . . . , 27:5 



Infertility in Silkworms in .Tapau . . . . . . . . . . 274 



The Effect of feeding Silkwociin on Oudrania triloba in Japan . . 27.5 



Notes on the Buprestidak oi Tapan . . . , . . . . . . 275 



Injurious Insects in New Zealand . . .... . . . . 275 



The Bionomics and Forest Importance of Gryphakis abietis in 



Britain . . 275 



A List of CocciDAE affecting various Cxenera of Plants . . 27i; 



The Sweet Potato Weevil ,n,i ]t< r'on irol in U.S.A 276 



Lepidopterous Pests of ' -. .. .. .^ .. 277 



Insect Pests intercepted'- , I Nursery Stock in 1918 in 



U.S.A 277 



The Potato Leaf -hopper and its Relation to Scorching of Potato 



Foliage in U.S.A. . . . . . . 278 



The Organization of Measures against Insect Pests in U.S.A. . . 278 

 Experiments mth Nicotine Sulphate against Diarthronomyia 



hypogaea in U.S.A, . . .• %^ ^ •. • . • • • • ■ • 279 



Measures against the Pi 1 . ^. -. . ^^ ^^ ^^ 279 



The Introduction of Pa tralis into Louisiana 273 



Methods of Estimating .S.A. . . , . 280 



The Bionomics of EUo:: it in Kansas . . 281 



Experiments with "^'^' l v.,xcvooaoppers in U.S.A. 282 & 283 



Notes on Phorbia j ^eans in New York . . . . 283 



Weevils infesting I ^.. ^-..k .. .. .. ., 2S3 



A Successful Cam; iist Grasshoppers in Kan-,;,- , . . . 2~> I- 



The Use of Insect i_ _ U.S.A. , -'-^^^ 



The Presence of Pyrausta nubilalia in Connecticut . , , . . . 28 i 



