Vol. 42, No. 3 (September 1959)

Literature Review Articles

• Front Matter

  Editors

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• Observations on and Preliminary Experiments with a Polyhedrosis Virus for Control of Cabbage Looper, Trichoplusia Ni (HBN.)

  W. G. Genung

  99-104

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• Effect of Temperature, Aeration, pH, and the Presence of Soil on the Toxicity of Various Insecticides to Mosquito Larvae

  Donald E. Weidhaas, J. B. Gahan, H. R. Ford

  105-108

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• Relative Susceptibility of Salt-Marsh Mosquitoes from Georgia and Florida to Insecticides

  A. N. Davis, D. E. Weidhaas, H. R. Ford

  109-111

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  Editors

  112

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• Seven New Typhlodromus from Mexico with Collection Notes on Three Other Species (Acarina: Phytoseiidae)

  Donald De Leon

  113-121

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  Editors

  122

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• The Genus Typhlodromus in Mexico (Acarina: Phytoseiidae)

  Donald De Leon

  123-129

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  Editors

  130

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• A Unique New North American Species of Pine-Cone-Feeding Laspeyresia Related to L. Ingens Heinrich (Lepidoptera, Olethreutidae)

  William E. Miller

  131-134

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• Narceus Woodruffi, New Species, A Florida Milliped (Spirobolida: Spirobolidae)

  Nell B. Causey

  135-137

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• Book Review: Mites, or the Acari

  Rodger Mitchell

  138

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• Back Matter

  Editors

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