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Article Dans Une Revue Apidologie Année : 2012

Sublethal effects of oxalic acid on Apis mellifera (Hymenoptera: Apidae): changes in behaviour and longevity

Saskia Schneider
  • Fonction : Auteur
Dorothea Eisenhardt
  • Fonction : Auteur
Eva Rademacher
  • Fonction : Auteur

Résumé

Oxalic acid dehydrate (OA) in the application form of trickling (3.5% solution) has shown a good bee tolerance. However, negative long-term effects of the treatment on honeybees are expected. The sublethal effects of OA on division of labour, activity, olfactory learning and the longevity of Apis mellifera were studied. Newly emerged workers were treated with 3.5% OA solution by topical application (dosage 175 μg/bee) and introduced into a colony. Behavioural observations were carried out and the longevity of every worker was recorded. To investigate the learning behaviour, foragers were trained in a classical olfactory conditioning paradigm, the olfactory conditioning of the proboscis extension response. These experiments revealed sublethal effects of OA on Apis mellifera. The treatment caused a significant decrease in worker activity, nursing behaviour and longevity. Treated bees also showed significantly more self-grooming and a higher response in the olfactory conditioning than bees of the control group.
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Dates et versions

hal-01003525 , version 1 (11-05-2020)

Identifiants

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Saskia Schneider, Dorothea Eisenhardt, Eva Rademacher. Sublethal effects of oxalic acid on Apis mellifera (Hymenoptera: Apidae): changes in behaviour and longevity. Apidologie, 2012, 43 (2), pp.218-225. ⟨10.1007/s13592-011-0102-0⟩. ⟨hal-01003525⟩
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