Trophallaxis Apis mellifera 42 Apoidea 28 Animals 22 Feeding Behavior 22 animal 22 article 22 feeding behavior 22 honeybee 22 physiology 22 Foraging 18 bee 18 social behavior 18 Bees 16 foraging behavior 16 odor 16 trophallaxis 14 Animal Communication 12 Hexapoda 12 Odors 12 Social Behavior 12 animal communication 12 learning 12 Behavior, Animal 10 Honeybee 10 Insecta 10 animal behavior 10 decision making 10 nectar 10 Animalia 8