Index

Acacia, 229 Acer, 114

achromatic cues, 63-5, 68-9 Acyrthosiphon pisum, 220 Adalia bipunctata, 220 Agave, 166

agents of selection, plant speciation and, 319 alpha-cellulose powder, 47-8 Amaranthus, nectar availability, 230 andrenid bees, 95

ant colonies, assessment of predation risk,

219(fig.) antennae, odor signals, 87-8 anthomyiids, innate color preferences, 175 anthophilous plants, 114 Anthurium, 85 Antirrhinum majus, 267 ants, 218

Apis mellifera, 203, 216, 224 bilateral symmetry, 76(fig.) color vision system, 62-3 dance, see dance, bee decision-making process, 45(fig.) evolution of flower-color preference, 119 foraging cycle in, 27(fig.) life span, 225

memory storage and retrieval, 28(fig.) nectar concentration and, 52 odors and, 90 pattern vision, 61-79 photoreceptors, 62(fig.) predation by crab spiders, 217(fig.) proboscis extension response, 49 sugar concentration and, 54 temporal dynamics of choice behavior,

30(fig.), 31(fig.) training patterns, 78 vision and learning, 179(fig.) Aquilegia formosa, 327

Aquilegia pubescens, 327 Aralia hispida, 205

pollinator individuality, 194 Archilochus alexandri, 129 Archilochus anna, 129 Archilochus colubris, 129 arthropod evolution, color vision and, 116 artificial flowers bumble bees on, 241-3 frequency-dependent visits to, 242(table),

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