CONTENTS. 



PAGE. 



Insect Pests intercepted in California . . . . . . . • . . 137 



The Selection of Varieties of Maize resistant to Heliothis obsoleta 



inU.S.A .. 137 



Sugar-Cane Pests and their Control in Queensland . . . , 138, 139 



Lucerne Pests in Arizona . . .... . . . . . . 139 



Notes on Spargonothis pilleriana on Vines in France . . . . 140 



Scale-Insects on Peaches and Vines and their Control in Holland . . 140 



Insect Pests in Mauritius . . . . . . . . . . . . 141 



A Lead-boring Beetle {Xylopsocus gihbicollis) in Australia . . . . 141 



An Outbreak of Pieris brassicae in Brittany . . . . . . . . 142 



Measure against Haltica ampelophaga in Vineyards in France . . 142 



Pests of Wheat in Argentina . . . . . . . . . . . . 142 



Insect Pests in Italy in 1917 143 



Onethocampa pityocampa and its Control on Pines in Italy . . 144 



Measures against Mealy Bug infesting Vines in Britain . . . . 144 



The Use of Lead Arsenate against Orchard Pests in Sweden . . 145 



Insect Pests in Sweden during 1912-1916 . . . . . . . . 146 



Oontari/nia tritici infesting Wheat and Barley in Sweden . . 161, 152 



Experiments in Spraying against Cacao Thrips in the West Indies. 152 



Measures against the Tobacco Split Worm in S. Africa . . . . 162 



The Maize Stalk Borer {Busseola fusca) and its Control in Rhodesia 163 



Measures against the Cabbage Aphis in S. Australia . . . . 163 



The Structure, Bionomics and Forest Importance of Myelophilus 



minor in Scotland . . . . . , . . . . . . . . 163 



The Biology of the Ohermes of Spruce and Larch and their Relation 



to Forestry in Scotland . . . . . . . . . . . . 164 



Insect Pests in Scotland in 1916 . . . . . . . . . . 16S 



The probable Introduction of Anthonomus grandis into S. Carolina 160 



An Early Economic Entomologist of New Jersey . . . . . . 161 



The Establishment of Beneficial Parasites in Hawaii . . . . 161 



An Invasion of Schistocerca paranensis in Chile . . . . . . 161 



Notes on Insect Pests in Spain . , . . . . . . . . . . 162 



Vine Pests in Russia in 1915 . . . . . . . . . . . . 162 



Experiments in Apple Spraying in Canada . . . . . . . . 162 



Phenacoccus stachyos in Missouri . . . . . . . . . . 163 



The Grape Root- Worm {Fidia viticida) and its Control in U.S.A. . . 163 



The Bionomics of Ghaitophorus negundinis in U.S.A. . . . . 164 



The Control of Aphis brassicae in U.S.A. . . . . . . . . 164 



ITie More Important Fruit Tree Diseases of Ontario . . . . 166 



An Expected Outbreak of Tibicen septemdecim in Pennsylvania . . 165 



Sprays for Orchard Pests in New Zealand . . . . . . . . 166 



The Sugar-Cane Grubs of Australia . . .... . . . . 165 



A Preliminary Classification of the Diptera based upon Larval and 



Pupal Characters . . . . . . . . . . . . . . 166 



New BuPRESTiDAE from the Pacific States, U.S.A. . . , . . . 166 



G&rchysius wkittieri, a New Parasite of Saissetia oleae in U.S.A. . . 167 



Cerfttitis capitata and its Parasites in Hawaii in 1916 . . . . 167 



The Utilisation of Beneficial Insects in California . . . . . . 168 



The Pecan Leaf Case-Bearer and its Control in U.S.A. . . . . 168 



Measures against the Pine Processionary Caterpillar in France . . 169 



Notes on the Migration of Hessian Fly Larvae in U.S.A. . . . . 170 



Notes on New and Little Known British Aphids . . . . . . 170 



A Disease of Bacterial Origin observed in Sparganothis pillerUma in 



France . . . . , . . . . . . . . . . . 171 



Notes on Meigenia floralis, a Dipterous Parasite of Oola-spidema 



atrtmi in France " . . . . , . . . . . . . . . 171 



Weevils infesting the Vine in Europe .. .. .. .. ., 172 



Scale-Insects on Vines in France . . . . , . . . . . 172 



Argyroploce variegana and its Parasites in Italy . . . . . . 172 



A Method of destroying Termite Mounds in Brazil . . . . . . 173 



The Biology of the Mole Cricket in Switzerland 173 



Insect Pests of the Mulberry in Formosa .. 174 



Injurious Insects in Japan in 1917 176 



Legislation against the Introduction of Cotton Pests into CaUfomia 176 



