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Free-living larvae of Amblyomma americanum (L.) in eastern Oklahoma were controlled by applications of acaricides during July to September 1979 and 1981. The effects of the acaricides were measured with a drag sampling method through 4 weeks posttreatment. Log-probit analysis of results indicated 90% effective doses for sprays of chlorpyrifos, diazinon, and stirofos of 0.16, 0.60, and 0.43 kg of Al/ha, respectively, and a 90% effective dose for 14% diazinon granules of 0.56 kg of Al/ha. Mean reinfestation rates at 2, 3, and 4 weeks posttreatment were 10, 19, and 34%, respectively, for all acaricides. On the basis of a larval Questing season of 60 to 90 days and larval reinfestation after 21 days, it was concluded that most larval populations could be controlled with one to three applications of acaricide.
Document Type: Research Article
Publication date: February 1, 1983
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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.