CONTENTS-coni. 



PAGE. 



The Effect of Rontgen Rays on Lasioderma serricome , . . , 386 

 Expeiimonts in the Transmission of Wilt Disease'of Cucumbers in 



theU.S.A 385 



Tolychrosis viteana and its Control in the U.S.A. . . . . . . 386 



The Ellect of cutting Timber on Insect Peats in Britain . . . . 386 



The Reduction in the Amount of Food eaten by Paraaitised Larvae 



of Cirphis unipunvta in the U.S.A. . . . . . . . . 387 



A List of Whiteflies attacking Citrus . . . . . . . . . . 387 



Notes on Leptoypha mutica in New Jersey . . . . . . . . 1^87 



Insect Pests of Hevea Rubber . . . . . , . . . . . . 388 



New and little known British Aphids . . . . . . . . . . 389 



The Transmission of Fire Blight in the U.S.A 389 



The Detection of Arsenic in Bee-hives in the U.S.A. . . . . 389 



Diabrotica 12-punctata attacking Pea-nuts in the U.S.A. . . . . 390 



A Coccid-Feeding Moth, Holcocera iceryaeeUa, in the U.S.A. . . 390 



Notes on Pegomyia hyoscyami in the U.S.A. . . . . . . . . 390 



An Egg Parasite of the Army-worm in the U.S.A. . . . . . . 391 



Insects imported into New Jersey . . . . . . . . . . 391 



American and European Foulbrood in California . . . . . . 391 



The Control of Bark-Beetles in Orchards in Switzerland . . . . 391 



Methods of protecting Maize from Weevils in Rhodesia . . . . 391 



Parasites of Cacoeoia cerasivorana in the U.S.A. . . . . . . 392 



Tests of Cotton fumigated with Hydrocyanic Acid Gas . . . . 392 



The Bionomics and Control of MacrodactyUis subspmosus in the 



U.S.A 392 



Preparation of the Mally Fruit -Fly Remedy in South Africa . . 392 

 The Control of Bombycomorpha pallida on Pepper Trees in South 



Africa 393 



Bpilachna dregei and its Control on Potatoes in South Africa . . 393 

 The Plum Slug Caterpillar, Parasa laiisiriga, and its Control in South 



Africa 394 



Cetoniid Pests of Peaches, etc., in South Africa . . . . . . 395 



Bacus vertebratus, a Pest of Cucurbitaceao in South Africa . . . . 396 



Aphids found on the Apple in Britain . . . . . . . . . . 396 



The Control of Limonius californicus in California . . . . . . 398 



Insect Pests intercepted in Quarantine in California . . . . 399 



Insect Pests intercepted in Quarantine in Hawaii . . . . . . 400 



Mods frugalis a new Pest of Sugar-Cane in Queensland . . . . 400 



Catalogue of the Scale-Insects of Australia . - . . . . . . 400 



Teara contraria attacldng Wattles in New South Wales . . . . 401 



Pests of Limes in British Guiana . . . . . . . . . . 401 



OUgoinerus brunneus and its Parasite, Pediculoidea ventricosus, in 



Spain 401 



Pests of Cacao in Colombia . . . . . . . . . . . . 402 



The Lotrionte Formula for Coceids and Fungi on Olives in Italy . . 403 



The Use of Wood-ashes against Sparganothis plUcriana in France . . 402 



The Bionomics of Earias insulana in Egypt . . . . . 402 



Notes on Rhogas kitcheneri in Egypt . . . . . . . . . . 403 



The Control of Chaif Mites in New Zealand 403 



Dactylopiua coccus for the control of Prickly Pear in South Africa . . 404 



Pests of grapes in Canada . . . . . . . . . . . . 404 



Experiments in the Control of the Colorado Potato Beetle in Canada 406 



The Control of Fruit Pests in the U.S.A 406 



The Leaf Blister Mite of Pear and Apple in the U.S.A 406 



The Control of Lepidoaaphes ulmi and Chionaspia fwfwra in the 



U.S.A . . 407 



Regulations for the Export of Plants, etc., from the Philippines . . 407 



List of Coleoptera of Economic Importance in the Philippines . . 407 



The Leaf-hoppers of Tennessee . . . . . . . . . . 407 



New Chalcidoid Hymenoptora . . . . . . . . . . 407 



Sh-">^hfivH'i^ nrnleae imported into New Jersey from Japan . . . . 408 



T.' ./«« infesting Euphorbia in France .. .. .. 408 



Th 'i-;'.:iu.; ion of German Anomaloninae .. .. .. 408 



Bark Beetles infesting Elms in Germany 408 



