Revised irradiation doses to control melon fly, Mediterranean fruit fly, and oriental fruit fly (Diptera: Tephritidae) and a generic dose for tephritid fruit flies

Journal of Economic Entomology
Peter A Follett, John W Armstrong

Abstract

Currently approved irradiation quarantine treatment doses for Bactrocera cucurbitae (Coquillet), melon fly; Ceratitis capitata (Wiedemann), Mediterranean fruit fly; and Bactrocera dorsalis (Hendel), oriental fruit fly, infesting fruits and vegetables for export from Hawaii to the continental United States are 210, 225, and 250 Gy, respectively. Irradiation studies were initiated to determine whether these doses could be reduced to lower treatment costs, minimize any adverse effects on quality, and support a proposed generic irradiation dose of 150 Gy for fruit flies. Dose-response tests were conducted with late third instars of wild and laboratory strains of the three fruit fly species, both in diet and in fruit. After x-ray irradiation treatment, data were taken on adult emergence, and adult female fecundity and fertility. Melon fly was the most tolerant of the three species to irradiation, and oriental fruit fly was more tolerant than Mediterranean fruit fly. Laboratory and wild strains of each species were equally tolerant of irradiation, and larvae were more tolerant when irradiated in fruit compared with artificial diet. An irradiation dose of 150 Gy applied to 93,666 melon fly late third instars in papayas resulted in no ...Continue Reading

Citations

Dec 8, 2005·Annual Review of Entomology·Peter A Follett, Lisa G Neven
Dec 8, 2011·International Journal of Radiation Biology·Chiou Ling Chang, Peter Follett
Sep 3, 2016·International Journal of Radiation Biology·Junheon KimChung Gyoo Park
Jul 9, 2011·Journal of Economic Entomology·Marcus SchortemeyerCheryl A Grgurinovic
Dec 3, 2020·International Journal of Radiation Biology·Jagdish Gopal PaithankarRajashekhar K Patil

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