Penetration of Polyvinyl Chloride and Polypropylene Packaging Films by Ephestia cautella (Lepidoptera: Pyralidae) and Plodia interpunctella (Lepidoptera: Pyralidae) Larvae, and Tribolium confusum (Coleoptera: Tenebrionidae) Adults


Source: Journal of Economic Entomology, Volume 90, Number 4, August 1997 , pp. 1028-1031(4)

Publisher: Entomological Society of America

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In response to a series of consumer complaints regarding insect contamination of chocolate-based consumables, a study was undertaken to evaluate the barrier qualities of 2 flexible, transparent films against 1st- and 5 th-instar Ephestia cautella Walker and Plodia interpunctella (Hübner) larvae, and Tribolium confusum Jacquelin du Val adults. It was found that the polypropylene film tested was resistant to penetration by each species, whereas a polyvinyl chloride film was only resistant to penetration by 1st instars of E. cautella. These results are discussed in the context of previous studies examining insect penetration of packaging materials, and with regard to the utility of categorizing insect pests of packaged goods as either invaders or penetrators. It is recommended that the confectioner in question investigate the feasibility of packaging products with a film that offers higher resistance against insect pests than the polyvinyl chloride film.

Document Type: Research Article

Publication date: August 1, 1997

More about this publication?
  • 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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