CONTENTS— co«r. 



PACK 



Calcium Arsenite and Ai-senate as Insecticides . . . . . . 490 



The Value of Chlorpicrin as a Fumigant against Grain Pestg . . 491 

 The Life-History of Ghloropisca glabra, a predaceous enemy of 



Pemphigus betaemJJ.S. A. .. .. .. .. .. .. 492 



New Gall Midges infesting Conifers in U.S.A. . . . . . . 493 



A New Tingid infesting Maize in U.S.A. . . . . . . . . 49.3 



Apple Tent Caterpillar Parasites in U.S.A. . . . . . . . . 493 



Notes on Elcodes trieostata in Texas . . . . . . . . . . 493 



A Maniial of Dangerous Insects likely to be introduced into the 



United States (Eeview) 4 94 



The Bionomics of Nezara viridula in Lousiana . . . . . . 4 94 



Kemedies for PiwfeHa wacttZipenrj-ts in Queensland .. .. .. 4 95 



Sugar-cane Pests and their Parasites in Queensland . . . . 49S 



The Bionomics and Control of Heliothrips rubrocinctus and other 



Cacao Pests in Grenada . . . . . . . . . . . . 496 



The Economic Importance of Ichneumonid Parasites in Holland . . 497 



The Danger to Bees of using Arsenicals in Holland . . . . . . 498 



Measures against Plea-Beetles in Holland . , . . . . . . 498 



Notes on Melolonthid Beetles in Holland . . . . . . . . 498 



Lepidium sativum as a Trap Crop for Flea Beetles in Holland . . 499 



Destruction of Anthonomus pomorum by Sparrows in Holland . . 499 



Measures against Locusts in Italy . . . . . . . . . . 500 



Notes on Insects of Economic Importance in Chile . . . . . . 500 



Papilio idaeus, a Pest of Citrus in Brazil . . . . . . . . 501 



The Preparation of Calcium Polysxilphide Sprays . . . . . . 501 



New Aphids from Formosa . . . . . . . . . . . . 501 



Injury to Silkworms due to the Urticating Hairs of Arctornis 



chrysorrhoea in Japan . . . . . . . . . . . . 601 



Utilisation of the Cocoon of a Saturniid Moth in Japan . . . . 502 



A Method of Destroying Chilo simplex in Rice-straw in Japan . . 503 



Notes on fl'aZtic'Ms min-ufits in the Pescadores Islands .. .. 503 



Lymantria mathura and its Control in Apple Orchards in Japan . . 504 



Notes on the Genus Centrobin in Italy . . . . . . . . 504 



Measures against the Introduction of Insect Pests into the Dutch 



East Indies . . . . . . . . . . . . . . . . 505 



The Thysanoptera of Florida, with Keys to the North American 



Species . . . . . . . . . . . . . . . . 505 



Insect Pests in Indiana . . . . . . . . . . . . . . .306 



Thrips tabaci and its Control in Indiana . . - . . . . . . .^>0(j 



Insect Pests of Indiana . . . . . . . . . . . . . . 50(j 



Tortrix cerasivorana and its Parasites in Canada . . . . . . fiO? 



Insect Pests in England and Wales in 1917 . . . . . . . . 508 



Recent Investigations on the Food of Certain Wild Birds in 



Britain 510 



Fungoid and Insect Pests and their Control (Review) . . . . 511 

 Two important Introduced Parasites of the Brown-tail Moth in 



U.S.A 511 



The Present Conditions of Jiac Cultivation in the Plains of India . . 513 



Measures against Aphids in Sicily . . , . . . . . . . 514 



An Outbreak of the Brown-tail Moth in Switzerland . . . . 514 



Insect Pests in Spain . . . . . . . . . . . . . . 514 



Pests of Bananas and other Crops in St. Lucia . . . . . . 614 



The Establishment of the Parasites of Oeceticus platensis in 



Argentina . . . . . . . . . . . . . . . . 517 



The Bionomics of Anastrepha fratercuhis in S. America . . . . 518 



The Establishment of Beneficial Parasites in Hawaii . . . . 618 



Insect Pests intercepted in Quarantine in Hawaii . . . . . . 518 



Insect Pests of Forests in India . . . . . . . . . . 5 IS 



A Beetle attacking Yams in Singapore . . . . . . . . 519 



A Butterfly destructive to Cycad.s in Singapore . . . . . . 620 



Legislation against the Importation of Cucumbers and Water 



Melons from Formosa into Japan . . , . . . . . 620 



Euttmologioal Notice* . . , . . , . . . . . . . . 628 



