Article (Scientific journals)
Diet effects on bumblebee health
Roger, N.; Michez, D.; Wattiez, R. et al.
2017In Journal of Insect Physiology, 96, p. 128-133
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Keywords :
Bumblebee; Floral resources; Immune system; Immunocompetence; Pollen diet; Bombus terrestris
Abstract :
[en] Among physiological processes, the maintenance of immunity is one of the most energetically costly in invertebrates. Disease resistance can be quantified by measuring immunocompetence, which is defined as the ability of an organism to mount an immune response, either in cellular, humoral or behavioural forms. In insects, immune capacity can be affected by a variety of factors including pesticides, genetic diversity or diet. Here we focus on an important species of domesticated pollinator, Bombus terrestris, and the potential impact of a poor pollen diet (low nutritional content and toxic) on its health. We investigate three responses at both colony and individual levels: behavioural, humoral and cellular. Our results show that poor pollen diets decrease larval and pupal masses and increase larval ejection as well as adult constitutive immunity (i.e., prophenoloxidase assays). The susceptibility of bumblebees to disease and infection might therefore be greater after a nutritive stress. These findings raise the importance of available plant hosts, especially floral plant species providing pollen with suitable nutritive quality (i.e., nutrient pollen content) for bumblebees. © 2016 Elsevier Ltd
Disciplines :
Entomology & pest control
Environmental sciences & ecology
Author, co-author :
Roger, N. ;  Research Institute for Biosciences, Laboratory of Zoology, University of Mons – UMONS, Place du Parc 20, B-7000 Mons, Belgium
Michez, D. ;  Research Institute for Biosciences, Laboratory of Zoology, University of Mons – UMONS, Place du Parc 20, B-7000 Mons, Belgium
Wattiez, R.;  Department of Proteomic and Microbiology, Institute for Biosciences, University of Mons – UMONS, Place du Parc 20, B-7000 Mons, Belgium
Sheridan, C.;  Research Institute for Biosciences, Biology of Marine Organisms and Biomimetics, University of Mons – UMONS, Place du Parc 20, B-7000 Mons, Belgium
Vanderplanck, Maryse ;  University of Mons > Research Institute for Biosciences > Laboratory of Zoology
 These authors have contributed equally to this work.
Language :
English
Title :
Diet effects on bumblebee health
Publication date :
2017
Journal title :
Journal of Insect Physiology
ISSN :
0022-1910
Publisher :
Elsevier Ltd
Volume :
96
Pages :
128-133
Peer reviewed :
Peer Reviewed verified by ORBi
Available on ORBi :
since 10 January 2017

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