Long-term pheromone-mediated mating disruption of the Mediterranean flour moth, Ephestia kuehniella, in a flourmill

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Abstract

Several studies have indicated that mating disruption (MD) successfully reduces population densities of stored product moths, for example, the Mediterranean flour moth, Ephestia kuehniella (Zeller) (Lepidoptera: Pyralidae). However, practical issues, such as finding control plots, replication, and lack of similarity between replicates, often incur problems in full-scale investigations and often draw focus from the added results. We here present results from long-term monitoring of E. kuehniella populations in two similar flourmills in Poland, one treated with pheromone for MD and one left untreated and used as control. Pheromone-mediated MD was applied during 2 years. Thirty pheromone dispensers (one per 100 m(3) factory volume), each releasing about 2 mg (Z,E)-9,12-tetradecadienyl acetate per day, were used. Pheromone-baited traps were used to monitor the moth populations in the MD mill and in a nearby untreated mill. The reduction in trap catch during the MD treatment was about 90% or more, compared with the untreated mill or pre-treatment periods of the MD mill. The reduction was larger during the 2nd year of MD than during the 1st year. These results contribute to the picture that MD is an effective method to control moth species infesting stored products.

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Research areas and keywords

Subject classification (UKÄ) – MANDATORY

  • Biological Sciences
  • Zoology

Keywords

  • Lepidoptera, semiochemicals, (Z, E)-9, 12-tetradecadienyl, IPM, acetate, Pyralidae, stored product pest, pest control
Original languageEnglish
Pages (from-to)294-299
JournalEntomologia Experimentalis et Applicata
Volume131
Issue number3
Publication statusPublished - 2009
Publication categoryResearch
Peer-reviewedYes

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