Is non-host pollen suitable for generalist bumblebees？

作     者：Maryse Vanderplanck1, Sylvain Decleves1, Nathalie Roger, Corentin Decroo2, Guillaume Caulier3 Gaetan Glauser4, Pascal Gerbaux2, Georges Lognay5, Aurore Richel6, Nathalie Escaravage7 and Denis Michez1 Maryse Vanderplanck1, Sylvain Decleves1, Nathalie Roger, Corentin Decroo2, Guillaume Caulier3 Gaetan Glauser4, Pascal Gerbaux2, Georges Lognay5, Aurore Richel6, Nathalie Escaravage7 and Denis Michez1

作者机构：Laboratory of Zoology Research Institute for Biosciences University of Mons—UMONS Mons Belgium Organic Synthesis and Mass Spectrometry Laboratory Interdisciplinary Center for Mass Spectrometry University of Mons—UMONS Mons Belgium Research Institute for Biosciences Biology of Marine Organisms and Biomimetics University of Mons—UMONS Mons Belgium Neuchâtel Platform of Analytical Chemistry University of Neuchâtel Neuchâtel Switzerland Laboratory of Analytical Chemistry University of Liège Gembloux Agro‐Bio Tech Gembloux Unit of Biological and Industrial Chemistry (CBI) University of Liège Gembloux Agro‐Bio Tech Gembloux Belgium Laboratoire Evolution et Diversité Biologique (EDB) CNRS ENFA UMR 5174 Université Toulouse 3 Paul Sabatier Toulouse France 

出 版 物：《Insect Science》 (昆虫科学（英文版）)

年 卷 期：2018年第25卷第2期

页      面：259-272页

核心收录：

学科分类：0710[理学-生物学] 0832[工学-食品科学与工程（可授工学、农学学位）] 0830[工学-环境科学与工程（可授工学、理学、农学学位）] 08[工学] 09[农学] 0904[农学-植物保护] 0901[农学-作物学] 0713[理学-生态学] 

基　　金：the FRFC 

主　　题：bee-flower interactions generalist bees pollen defences 

摘      要：Current evidence suggests that pollen is both chemically and structurally protected. Despite increasing interest in studying bee-flower networks, the constraints for bee development related to pollen nutritional content, toxicity and digestibility as well as their role in the shaping of bee-flower interactions have been poorly studied. In this study we combined bioassays of the generalist bee Bombus terrestris on pollen of Cirsium, Trifolium, Salix, and Cistus genera with an assessment of nutritional content, toxicity, and digestibility of pollen. Microcolonies showed significant differences in their development, non-host pollen of Cirsium being the most unfavorable. This pollen was characterized by the presence of quite rare 37-sterols and a low digestibility. Cirsium consumption seemed increase syrup collection, which is probably related to a detoxification mixing behavior. These results strongly suggest that pollen traits may act as drivers of plant selection by bees and partly explain why Asteraceae pollen is rare in bee generalist diet.