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CONTENTS. 



PAGE 



Tho Outbreak of Aspidiotus destructor in Nigeria , . 185 



Notes on Tlirips of 'iloonomic Importance in Tiinidad . . 185 



A New Aphid on Pmnus in U.S.A. . . . . . , . . 186 



The Apple Magfjot in Bill' ' ' ' imbia .. .. 186 



The Identity of th > ^Ylv in Ontario . . 187 



Measures against the Codim^- amih in British Cutumuut , , . . 187 



Pests intercepted in Quarantine in Hawaii . . ^ . , . 188 



The Protection of Insectivorou.s Birds in St. Vincent . . 188 



The Preparation of Calcium Arsenate for Insecticides . . 188 



The threatened .nvasion of Pennsylvania by 'Pyr'i'i>ii.i. uiihiln': 189 



Insert Pests of !Jates in Mesopotamia .. '89 



I'ests of Sal {SLorea robusta) in India .... ,190 



ileasures agaiust Glysia ambiguella and Sparganothis fiUericma in 



France . . . . . . , . . . . . . . . . 191 



The Development of Larvae of Tenebrio molitor when reared on 



Food sterilised by He^t . . . . . , . . . . . . 191 



[n-i",^t Pests of Vanilla in Reunion and Madagascar. . ., .. 192 



1'- - of Wheat in Sweden .. .. .. .. • 193 



■iwaea oceZZaieWa injurious to Beet in Italy . 193 



r Measures against Clysia ambiguella in Italy i94 



.MHOS on tl o Chalcid Parasites of Eulecanium caprear \n iwiiiiui. , 194 

 The Identify of the species of Drepanothrips infesting Vines ixi 



Cent-ai Europe . . 105 



Galeruca tatiaeeti, a Pest of Vegetables in Germany . . . . . . 195 



A New < :.■ ..omrie infesting Lepidopterous Lar^^ae in Britain . . 196 



Tho 1 >n of Xyleharus fornicatus in Ceylon . . , . . . 190 



A Dit-„^ iintops caused bv Mites in Hawaii . . • 196 



NewTin^Ai 1ie West Indies 197 



Notes on" li ites of Loaf- Hoppers in North Araeric 197 



Experiments in the Control of Aphis maidie by means of Uvppo- 



daniia convergens in California .... . . . . . . 197 



Pests of Avocado Pear in California . . . . . . . . . . 198 



Pe«ts intercepted in Quarantine in California _ . . . 198 



T' '11 of Insects by means of Pimgi ., 199 



y ;st the Rutherglen Bug in Victoria . . 199 



lNni(.-s on ^ugar-cane Grubs in Queensland . . . . . . . • 200 



Tho Influence of Harvesting Methods on the Infestation of Wheat 



by Weevils in Australia . . . . . . . . . . . . 200 



Tho Relation of Phyllocnisiis cUreUa to the Spread of Citrus Canker 



ir, \,.cf^..i,„ 201 



Mono /or, a Pest of Passion Vines iu N.S.W. .. .. 201 



PJcth.;,.. , ., a Pest of Lucerne in U.S.A . . 201 



Tiio Wheat Jointworm (Isosoma tHtici) and its Control in U.S.A., . 202 

 T'le Economic Importance of the Crow as a Destrover of Insects 



in U.S.A ^ . . . . 20^ 



Rice Pests in Assam in 1917-18 . . . . . . . . . . -'0 1 



