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[Insect pests dissemination by extruded starch packages].

Felipe B Fraga¹, Isabel D C C Alencar, Marcelo T Tavares

¹Depto. de Ciências Biológicas, Univ. Federal do Espírito Santo, Vitória, ES. felipebf@gmail.com

Neotropical Entomology

|September 22, 2009

Summary

Extruded starch packaging, intended for fragile goods, supports the survival and development of common stored product insect pests, acting as both food and shelter. This material may inadvertently facilitate pest dispersal.

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Area of Science:

Agricultural entomology
Food science
Pest management

Background:

Extruded starch products are increasingly used as protective packaging materials.
The potential for these materials to harbor or support insect pests has not been fully investigated.
Stored product insects pose significant economic threats to agricultural commodities.

Purpose of the Study:

To evaluate the suitability of extruded starch packaging as a food and shelter source for key stored product insect pests.
To determine if these packaging materials can support insect development.
To assess the risk of extruded starch packaging acting as a dispersal vehicle for insect pests.

Main Methods:

Inclusion of extruded starch products in controlled environments with specific stored product insect species.
Observation of insect presence, shelter utilization, and feeding behavior on the starch products.
Monitoring of insect development (larval, pupal, adult stages) on the starch material.

Main Results:

Three species, Cryptolestes ferrugineus, Lasioderma serricorne, and Tribolium castaneum, were found to use the starch products for shelter and sustenance.
Development of Oryzaephilus surinamensis, Sitophilus oryzae, and Plodia interpunctella was confirmed on the extruded starch material.
The study demonstrates the viability of extruded starch products as a food source and habitat for multiple stored product pests.

Conclusions:

Extruded starch packaging materials can support the life cycle of several significant stored product insect pests.
These packaging materials may serve as a food source, shelter, and potential dispersal mechanism for insect pests.
Further research and mitigation strategies are needed to address the pest-related risks associated with using extruded starch packaging in food storage and transport.