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Generic Vapor Heat Treatments to Control Maconellicoccus hirsutus (Homoptera: Pseudococcidae)

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Vapor heat treatments were developed against life stages of the mealybug Maconellicoccus hirsutus (Green) (Homoptera: Pseudococcidae). Treatments tested were 47°C for 5–50 min in 5-min increments and 49°C for 3, 5, 8, 10, and 12 min. All tests were conducted with mixed age M. hirsutus on Chinese pea, Pisum sativum L. Treatment at 47°C required 45 min to kill all M. hirsutus, whereas treatment at 49°C required 10 min. The adult female and nymphal stages were the most heat tolerant at 47°C, but the egg stage was the most heat tolerant at 49°C. Use of the vapor heat treatments on other commodities will require achieving or exceeding the proper temperature and duration at all locations on the host where M. hirsutus may reside.

Keywords: phytosanitary treatment; quarantine heat treatment; quarantine pest

Document Type: Research Article

Publication date: August 1, 2004

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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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