Fig. 2.

Artificial flowers used during the no-choice speed test. Visual patterns are shown and scent placements are shown with x’s. a Unimodal scented—radiating; b Unimodal scented—non-radiating; c Scentless and colourless control; d Bimodal—radiating; e Bimodal—non-radiating; f Unimodal visual—radiating; g Bimodal—radiating visual, non-radiating scent; h Bimodal—non-radiating visual—radiating scent and; i Unimodal visual—non-radiating. Placement of the 3 lid wells and cover structure is also displayed with the dark feeder at the bottom of each disc being the location which contains sucrose. More contrasting colours were used here to more easily view pattern arrangements