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Trioxys pallidus… an effective new walnut aphiparasite from Iran

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Authors

Robert Van Den Bosch, Division of Biological Control, Department of Entomology and Parasitology, University of California, Berkeley
B. D. Frazer, Canada Department of Agriculture
C. S. Davis, U.C., Berkeley
P. S. Messenger, Division of Biological Control, Department of Entomology and Parasitology, University of California, Berkeley
Richard Hom, Division of Biological Control, Department of Entomology and Parasitology, University of California, Berkeley

Publication Information

California Agriculture 24(11):8-10.

Published November 01, 1970

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Abstract

Abstract Not Available – First paragraph follows: The walnut aphid, Chromaphis juglandicola Kaltenbach, is an Old World species which apparently invaded California at about the turn of the present century. Although attacked by native lady beetles, green lacewings, and other natural enemies, the aphid frequently becomes extremely abundant. Consequently, walnut growers in many areas routinely treat their groves with insecticides to control it. For years, nicotine sulfate was the most widely used aphicide, but since the middle 1940's it has been supplanted by a variety of synthetic organophosphates and chlorinated hydrocarbons.

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Trioxys pallidus… an effective new walnut aphiparasite from Iran

Robert Van Den Bosch, B. D. Frazer, C. S. Davis, P. S. Messenger, Richard Hom
Webmaster Email: wsuckow@ucanr.edu

Trioxys pallidus… an effective new walnut aphiparasite from Iran

Share using any of the popular social networks Share by sending an email Print article
Share using any of the popular social networks Share by sending an email Print article

Authors

Robert Van Den Bosch, Division of Biological Control, Department of Entomology and Parasitology, University of California, Berkeley
B. D. Frazer, Canada Department of Agriculture
C. S. Davis, U.C., Berkeley
P. S. Messenger, Division of Biological Control, Department of Entomology and Parasitology, University of California, Berkeley
Richard Hom, Division of Biological Control, Department of Entomology and Parasitology, University of California, Berkeley

Publication Information

California Agriculture 24(11):8-10.

Published November 01, 1970

PDF  |  Citation  |  Permissions

Author Affiliations show

Abstract

Abstract Not Available – First paragraph follows: The walnut aphid, Chromaphis juglandicola Kaltenbach, is an Old World species which apparently invaded California at about the turn of the present century. Although attacked by native lady beetles, green lacewings, and other natural enemies, the aphid frequently becomes extremely abundant. Consequently, walnut growers in many areas routinely treat their groves with insecticides to control it. For years, nicotine sulfate was the most widely used aphicide, but since the middle 1940's it has been supplanted by a variety of synthetic organophosphates and chlorinated hydrocarbons.

Full text

Full text is available in PDF.

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