Mortality of Three Stored Product Moths in Atmospheres Produced by an Exothermic Inert Atmosphere Generator

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The order of tolerance Loan atmosphere of less than 1% O2 (27°C and 50% RH) produced by an exothermic inert atmosphere generator was: the Angoumois grain moth, Sitotroga cerealella (Olivier)—larvae-pupae > eggs > adults; the almond moth, Cadra cautella (Walker) — eggs > pupae > larvae > adults; and the Indian meal moth, Plodia interpunctella (Hübner) — pupae> eggs > adults > larvae. All stages of the Indian meal moth and all except the eggs of the almond moth were killed by 24-h exposures: eggs of the almond moth required a 48-h exposure. The tolerance of Angoumois grain moth larvae to the inert atmosphere increased with each successive week of growth after the eggs hatched and the larvae entered the wheat kernels. An exposure of 120 h was required to cause 100% mortality of fully grown larvae and pupae.

Document Type: Research Article

Publication date: December 15, 1975

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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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