the baiting technique employed by the sentricon system takes advantage of termite biology and behavior. subterranean worker termites forage for cellulose food sources 24 hours a day, ranging abroad from their underground nest, or colony, through tunnels in the soil that can range up to 300 feet or more. when worker termites find a food source, they leave a pheromone scent trail to summon nest mates. worker termites chew and digest cellulose, and then regurgitate it to share with other termites in the colony.