The Comstock Mealybug1 in California and Observations on Some of Its Natural Enemies2

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Abstract:

Following discovery 1967 of Pseudococcus comstocki (Kuwana) infesting- 10 square miles in the city of Porterville, Calif., efforts were undertaken (I) to assess the potential destructiveness of the pest; (2) to test the possibilities for its complete biological control; (3) to explore the feasibility of temporary biological, and mechanical containment practices: and (4) to collect facts pertinent to a decision by the California State Department of Agriculture as to whether eradicative measures should be undertaken.

The probability of severe damage by this pest, should it spread to other California areas, appeared likely. Poor prospects for completely successful biological control were indicated from trials with 3 imported Japanese parasites: pseudaphycus malinus Cahan, Allotropa burrelli Muesebeck, and Clausenia purpurea Ishii. The results of these investigations of natural enemies and of the plant host relationships of the mealybug peculiar to the infested area suggest the desirability of certain chemical, biological, and mechanical containment practices until eradicative measures can be inaugurated.

Document Type: Research Article

Publication date: October 1, 1972

More about this publication?
  • Journal of Economic Entomology is published bimonthly in February, April, June, August, October, and December. The journal publishes articles on the economic significance of insects and is divided into the following sections: apiculture & social insects; arthropods in relation to plant disease; forum; insecticide resistance and resistance management; ecotoxicology; biological and microbial control; ecology and behavior; sampling and biostatistics; household and structural insects; medical entomology; molecular entomology; veterinary entomology; forest entomology; horticultural entomology; field and forage crops, and small grains; stored-product; commodity treatment and quarantine entomology; and plant resistance. In addition to research papers, Journal of Economic Entomology publishes Letters to the Editor, interpretive articles in a Forum section, Short Communications, Rapid Communications, and Book Reviews.
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