The behavioral response of stored product pests, Rhyzopertha dominica (Coleoptera: Bostrichidae) and T. castaneum (Coleoptera: Tenebrionidae) to moldy grain volatiles
Abstract
Producers lose 10-30% of crops during post-harvest
storage, processing, and marketing each year to insects.
Concurrently, there has been a worldwide increase in
resistance to the most common fumigant, phosphine, there are
fewer alternative fumigant options available to food facility
managers, and consumers are demanding low insecticide
alternatives. Thus, there is an increasing need to diversify IPM
methods.
One potential group of alternative attractants includes
fungal volatiles, as they are known to attract insects, and are
unique signals in food facilities that maintain strict sanitation
standards.
This study examined the behavioral responses of R.
dominica and T. castaneum to moldy grain volatiles using a
wind tunnel and a release-recapture assay.
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