Pharaoh Ant Pheromone
Pheromones are chemicals that ants produce. Each ant has several glands where she can produce chemicals. There are glands at the base of the mandibles. There are also glands in the abdomen.
Since ants spend many hours in dark underground tunnels, pheromones provide a very effective way to communicate. Each pheromone has a different smell, so it conveys different information. If they are above ground, ants can also communicate with visual signals and physical movements.
In their book, “Ants”, Wilson and H