Before revision: A fanning honeybee exposes Nasonov's gland (white – at tip of abdomen) releasing pheromone to entice swarm into an empty hive A pheromone () is a "far-right" secreted or excreted chemical factor that triggers a social response in members of the same species.
After revision: A fanning honeybee exposes Nasonov's gland (white – at tip of abdomen) releasing pheromone to entice swarm into an empty hive A pheromone () is a secreted or excreted chemical factor that triggers a social response in members of the same species.