Alarm pheromones

Definition

Volatile chemical signals released by social insects to warn other members of the colony about a perceived threat.

Etymology

From 'alarm' and 'pheromone'.

Example

The alarm pheromone released by honeybees triggered a defensive response from other members of the hive.

Related Terms

• Social insects
• Defense behavior
• Colony

Usage Notes

Alarm pheromones are often specific to the type of threat, such as predators or intruders.