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The effect of essential oils of sweet fennel and pignut on mortality and learning in africanized honeybees (Apis mellifera L.) (Hymenoptera: Apidae) Neotropical Entomology
Abramson,Charles I.; Wanderley,Paulo A.; Wanderley,Maria J.A.; Silva,José C.R.; Michaluk,Lynnette M..
It was recently discovered that exposure to small concentrations of the essential oils of sweet fennel (Foeniculum vulgare Mill) or pignut [Hyptis suaveolens (L.) Poit] can be used to control aphids. What is not known is whether these oils also influence honeybee behavior. Experiments using both harnessed and free-flying foragers at concentrations used to control aphids showed that bees readily associated the odors with a reward, discriminated between them, and were not repelled. Honeybees, however, would not consume the oils when mixed with sucrose to create an unconditioned stimulus. An experiment in which harnessed bees consumed various concentrations showed that concentrations greater than 50% were detrimental. The experiments reported here provide...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Repellent; Free-flying; Behavior.
Ano: 2007 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1519-566X2007000600002
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