Pheromone
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<speciesfyi-glossary slug="pheromone"></speciesfyi-glossary>Definition
A chemical substance released by an animal that triggers a social or behavioral response in members of the same species.
Detailed Explanation
Pheromones are the primary communication channel for most insects and many mammals, encoding identity, reproductive status, alarm, and trail information. Ant colonies function almost entirely through pheromone communication — trail pheromones guide foragers, alarm pheromones recruit defenders, queen pheromones suppress worker reproduction. Synthetic sex pheromones are used in agricultural pest management to disrupt mating or trap harmful insects.