CONTENTS— cont. 



PAGE 



The Mediterranean Pniit Fly in IFlorida . . . . . . . . 18 



The Scale-insects of Florida and their Control . . . . . . 19 



Measures against the Sweet Potato Root Weevil in Florida . . 21 

 Precautions against the Introduction of the Avocado Weevil 



(Heilipus lauri) into Florida 21 



The Pinlc Bollworm Problem in the United States . . . . . . 22 



Inj\iry to Sweet Potatoes by Termites in Florida . . . . . . 22 



Cutworms and other Insect Pests in Nevada . . . . . . 22 



The Correct Names of some common Ichneumonid Parasites in U.S.A. 22 



A New Braconid Parasite of CepMis cinctus in U.S.A. . . . . 23 



New Chalcid Parasites of Stictocephala jestina in Arizona . . . . 23 



A New Chloropid infesting Conifers in U.S.A. . . . . . . 23 



A New Food-jtlant of AniJionomus grandis var. thurberiae in Mexico 23 



New Sawflies of the Siibfamily Diprioninae in U.S.A. . . . . 24 



A Method of Handling Large Numbers of Individuals in Life-history 



Studies of Insects . . . , . . . . . . . . . . 24 



Tlie Identity of Aphis circezandis. Fitch . . . . . . . . 24 



Miscellaneous Pests in Canada in 1917 . . , . 24, 25, 26 & 27 



Hylemyia antiqiia in Canada . . . . . . . . . . . . 26 



Economic Entomology in Quebec . . . . . . . . . . 27 



The Bionomics of Hemerophila pariana on Fruit Trees in America 27 



The Bionomics of Myzws cerasi in Canada . . . . . . . . 28 



The Value of Dusting versus Spraying in Orchards in Canada . . 28 



Notes on the Ecology of Insects in Cartada . . . . . . . . 29 



Vegetable Pests in Nova Scotia . . . . . . . . . . 29 



Measures against Lasioderma infesting Stored Tobacco in the Dutch 



East Indies . . . . . . . . . . . . . . . . 29 



Solenopsis geminata infesting Tobacco Seed-beds in Java . . . . 30 



Crrphis unipuncta infesting Rice in Java . . . . . . . . 30 



Notes on UelopeUis and its Control in the Dutch East Indies . .31 &32 



A New Jassid infesting Apple Foliage in Australia . . . . . . 32 



Experimental Work with Fruit-flies in New South Wales . . . . 32 



The Establishment of Beneficial Parasites in Hawaii . . . , 33 



Pests intercepted in Quarantine in Hawaii . . . . . . . . 33 



A Revision of the North American Species oi Tiphia . . . . 33 



The Value of Co-operation in Agricultural and Entomological 



Problems . . . . . . . . . . . . . . . . 34 



Glyius devastator, a New Pest of Oranges in Florida . . . . 34 



Insect Enemies of the Chinch Bug in U.S.A. . . . . . . . . 34 



A New Species of Sciara bred from Red Clover in Idaho . . . . 35 



New Economic Pests of Red Clover in U.S.A. . . . . . . 35 



A New Mite infesting Poplars in Texas .. .. .. .. 36 



Lopidea media, a Pesb of Phlox in Arkansas . . . . . . . . 36 



A New Food-Plant of Qalerucella cavicollis in North Carolina . . 37 

 The Effect of Weather Conditions on Malacosoma americana in New 



York 37 



An Outbreak of Gryllus integer in California . . . . . . . . 37 



Euthrips tritici infesting Peaches in U.S.A. . . . . . . . . 38 



A New Tyroglyphid Mite from Western Montana . . . . . . 38 



The Alleged Occurrence of Seasonal Dimorphism in Mealy Bugs in 



U.S.A 38 



Mertilia malayensis, a Capsid injurious to Orchids in the Dutch East 



Indies . . 39 



Miscellaneous Pests in Kansas in 1917 . . . . . . . . 40 



Repeal of Proclamation prohibiting Importation of Citrus Plants 



into Australia . . . . . . . . • • . . . . 40 



Entomological Notices . . . . . . . . . . • . . . 40 



