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Keywords:

  • Apis mellifera L.;
  • odour;
  • pyrethroid;
  • thyme

ABSTRACT A classical conditioned response was used to evaluate the learning behaviour of honeybees (Apis mellifera L.) which survived a sublethal dose of permethrin. Treated bees had lower learning response levels than untreated bees for 3 days, but regained normal learning ability on the fourth day after exposure. However, bees trained prior to exposure showed no significant effect of permethrin on their conditioned response.