8 minutes ago
H e a d s d o w n , b u m s u p
stationed in and around the hive entrance, guard bees are the first and last line of communication in the colony as well as being crucial to its protection. day-to-day, they emit pheromones that act as a homing beacon for returning foragers. however when an attack is perceived a blended pheromone is secreted from a combination of other glands which becomes a vital defence strategy in mustering additional numbers.