Hot-Air Quarantine Treatment for Mango Infested with Caribbean Fruit Fly (Diptera: Tephritidae)

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A single-stage forced-air quarantine treatment at 48 ± 0.3°C was developed to disinfest Florida-grown 'Tommy Atkins' and 'Keitt' mangoes, Mangifero indica L., of Caribbean fruit fly,Anastrepho suspense (Loew), eggs and larvae. Treating infested fruits for 30-150 min with 48 ± 0.3°C forced air at a 0.75 m3/s mean air flow rate reduced the number of surviving pupae that developed from treated eggs and larvae. Probit analysis of the data estimated that a mean treatment time of 136.7min was needed to reach 99.9968% (probit 9) mortality when the mean ± SEM temperature next to the seed surface was 44.5 ±a.soc. A large-scale confirmatory test resulted in no survivors (based on puparia of normal appearance) when an estimated 106,053 A. suspenso larvae in 7,000 infested mangoes were heated with 48 ± 0.3°C forced air at an average 0.75 m3/s air flow rate for 160 or 220 min and the fruit pulp temperatures next to the seeds were 46.1 ± 0.4 or 46.5 ± 0.2°C, respectively.

Document Type: Research Article

Publication date: December 1, 1992

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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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