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The Commercial Development of Biological Control in California

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Most attempts at biological control of insect pests have consisted in the simple introduction and establishment of entomophagous insects, rather than in the continous laboratory propagation and distribution of these insects in order to force them to a condition of permanent dominance. This latter type of work has been developed in a large commercial way against the mealybugs attacking citrus in California and has proved very sucessful as well as economical. There arc now ten local insectaries engaged in this work in California in addition to several private ones. $33,800.00 is invested in equipment for this work. Operating expenses for the past season were $48,750.00, and over four million Cryptolaemus montrouzieri were propagated in the insectaries and distributed in the infested groves.

Document Type: Research Article

Publication date: February 1, 1925

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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