Journal
FLORIDA ENTOMOLOGIST
Volume 106, Issue 2, Pages 83-89Publisher
FLORIDA ENTOMOLOGICAL SOC
Keywords
small hive beetle; Apis mellifera; chemical ecology; semiochemicals; aggregation
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Observations of wild and colony-reared small hive beetle populations have identified aggregations of both sexes. A potential male-produced pheromone, consisting of 6-methyl-5-hepten-2-one, nonanal, and decanal, was discovered through volatile collections on males and females. Flight tunnel and laboratory trapping assays showed that a synthetic pheromone blend, along with a fruit-derived attractant, captured significantly more beetles than the control. The identification of a potential pheromone is an important step in effectively controlling and monitoring small hive beetles.
Observations of wild and colony-reared small hive beetle populations indicate that the beetles form aggregations of many individuals of both sexes. Volatile collections performed on males and females have identified a potential male-produced pheromone comprised of 6-methyl-5-hepten-2-one, nonanal, and decanal. Flight tunnel and laboratory trapping assays were conducted using a synthetic pheromone blend (i.e., 6-methyl-5-hepten2-one, nonanal, and decanal) and a blend of fruit volatiles (i.e., ethanol, ethyl butyrate, acetic acid, ethyl acetate, and acetaldehyde). Results showed that the synthetic pheromone blend along with a fruit-derived attractant captured significantly more beetles than the control. The identification of a potential pheromone is an important step in the search to provide effective control and monitoring of the small hive beetle.
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