Effects, but no interactions, of ubiquitous pesticide and parasite stressors on honey bee (Apis mellifera) lifespan and behaviour in a colony environment

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dc.contributor.author Retschnig, Gina
dc.contributor.author Williams, Geoffrey R.
dc.contributor.author Odemer, Richard
dc.contributor.author Boltin, Janina
dc.contributor.author Di Poto, Cornelia
dc.contributor.author Mehmann, Marion M.
dc.contributor.author Retschnig, Peter
dc.contributor.author Winiger, Pius
dc.contributor.author Rosenkranz, Peter
dc.contributor.author Neumann, Peter
dc.date.accessioned 2016-06-08T05:17:22Z
dc.date.available 2016-06-08T05:17:22Z
dc.date.issued 2015-11
dc.description.abstract Interactions between pesticides and parasites are believed to be responsible for increased mortality of honey bee (Apis mellifera) colonies in the northern hemisphere. Previous efforts have employed experimental approaches using small groups under laboratory conditions to investigate influence of these stressors on honey bee physiology and behaviour, although both the colony level and field conditions play a key role for eusocial honey bees. Here, we challenged honey bee workers under in vivo colony conditions with sublethal doses of the neonicotinoid thiacloprid, the miticide tau-fluvalinate and the endoparasite Nosema ceranae, to investigate potential effects on longevity and behaviour using observation hives. In contrast to previous laboratory studies, our results do not suggest interactions among stressors, but rather lone effects of pesticides and the parasite on mortality and behaviour, respectively. These effects appear to be weak due to different outcomes at the two study sites, thereby suggesting that the role of thiacloprid, tau-fluvalinate and N. ceranae and interactions among them may have been overemphasized. In the future, investigations into the effects of honey bee stressors should prioritize the use of colonies maintained under a variety of environmental conditions in order to obtain more biologically relevant data. en_ZA
dc.description.department Zoology and Entomology en_ZA
dc.description.librarian am2016 en_ZA
dc.description.sponsorship The EU 7th Framework Programme grant BEE DOC (BEes in Europe and the Decline Of Colonies, 244956 CP-FP), Agroscope and the Ricola and Vinetum foundations. en_ZA
dc.description.uri http://onlinelibrary.wiley.com/journal/10.1111/(ISSN)1462-2920 en_ZA
dc.identifier.citation Retschnig, G, Williams, GR, Odemer, R, Boltin, J, Di Poto, C, Mehmann, MM, Retschnig, P, Winiger, P, Rosenkranz, P & Neumann, P 2015, 'Effects, but no interactions, of ubiquitous pesticide and parasite stressors on honey bee (Apis mellifera) lifespan and behaviour in a colony environment', Environmental Microbiology, vol. 17, no. 11, pp. 4322-4331. en_ZA
dc.identifier.issn 1462-2912 (print)
dc.identifier.issn 1462-2920 (online)
dc.identifier.other 10.1111/1462-2920.12825
dc.identifier.uri http://hdl.handle.net/2263/52900
dc.language.iso en en_ZA
dc.publisher Wiley en_ZA
dc.rights © 2015 The Authors. Environmental Microbiology published by Society for Applied Microbiology and John Wiley & Sons Ltd. This is an open access article under the terms of the Creative Commons Attribution-NonCommercial-NoDerivs License, which permits use and distribution in any medium, provided the original work is properly cited, the use is non-commercial and no modifications or adaptations are made. en_ZA
dc.subject Mortality en_ZA
dc.subject Parasites en_ZA
dc.subject Pesticides en_ZA
dc.subject Honeybee (Apis mellifera) en_ZA
dc.title Effects, but no interactions, of ubiquitous pesticide and parasite stressors on honey bee (Apis mellifera) lifespan and behaviour in a colony environment en_ZA
dc.type Article en_ZA


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