Challenges in Assessing Repellency via the Behavioral Response by the Global Pest Tribolium castaneum to Protect Stored Grains.

Autor: Rault LC; Department of Entomology, University of Nebraska-Lincoln, 103 Entomology Hall, Lincoln, NE 68583, USA., Morrison WR 3rd; United States Department of Agriculture, Agricultural Research Service, Stored Product Insects and Engineering Research Unit, 1515 College Ave., Manhattan, KS 66502, USA., Gerken AR; United States Department of Agriculture, Agricultural Research Service, Stored Product Insects and Engineering Research Unit, 1515 College Ave., Manhattan, KS 66502, USA., Bingham GV; Department of Entomology, University of Nebraska-Lincoln, 103 Entomology Hall, Lincoln, NE 68583, USA.
Jazyk: angličtina
Zdroj: Insects [Insects] 2024 Aug 20; Vol. 15 (8). Date of Electronic Publication: 2024 Aug 20.
DOI: 10.3390/insects15080626
Abstrakt: Background: Food security is an increasingly pressing global issue, and by 2050, food production will not be sufficient to feed the growing population. Part of global food insecurity can be attributed to post-harvest losses, including quantity and quality losses caused by stored-product pests like insects. It is thus timely to find management strategies to mitigate these losses and counteract food insecurity. The red flour beetle, Tribolium castaneum (Herbst) (Coleoptera: Tenebrionidae), a global stored-product pest with a wide range of food sources, was used in this study to assess repellency to a selection of essential oils.
Methods: Multiple behaviorally relevant methods were used to determine the efficacy of the essential oils in assays to pinpoint the most promising repellents. Experiments were used to assess individual and group behaviors with or without airflow and examined the behavioral variation in distance moved and the time spent away from the oil.
Results: It was found that exposure to essential oils and conditions of experimentation considerably influenced T. castaneum 's behavioral response, but a clear candidate for repellency could not be chosen based on the collected data.
Conclusions: Follow-up research is needed to pinpoint repellents for integrated pest management practices to protect grains from stored-product pests and to justify their use in and around commodities.
Databáze: MEDLINE
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