“…That bees are well designed to exploit floral resources is so self-evident that at first glance it may seem as if there is nothing to explain. Indeed, much of the research on foraging behaviour concerns what bees do, and how they do it, after they have had their first rewarded experience on flowers (see reviews by Gould, 1990;Bitterman, 1996;Chittka and Thomson, 2001;Menzel, 2001;Raine et al, 2006;Benard et al, 2006;Giurfa, 2007;Dukas, 2008;Goulson, 2010;Avarguès-Weber et al, 2011;Dyer, 2012). There is comparatively less research on what they do before: when workers leave their colony for the first time, having never yet encountered a flower, how do they identify candidate food sources?…”