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Susceptibility of Some Insect Pests to Infection by Bacillus thuringiensis Berliner in Laboratory Tests1

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The spore-forming bacterium Bacillus thuringiensis Berliner has demonstrated moderate-to-high pathogen city for several leaf-chewing insect pests in southern California including larvae of the salt-marsh caterpillar, cotton leaf perforator, celery leaf tier, amorbia, boll worm, and larvae and adults of the Egyptian alfalfa weevil. Less susceptible were the cabbage looper, beet army worm and omnivorous leaf roller. Only slightly susceptible were larvae of the alder flea beetle and larvae and adults of the elm leaf beetle. "Extra" mortality thought to be due to a toxic effect induced by the bacillus was noted in infectivity tests against some of the insect species.

Document Type: Research Article

Publication date: June 1, 1958

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  • 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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