alarm pheromoneyoudaoicibaDictYouDict[alarm pheromone 词源字典]
"A pheromone released by an animal, especially a social insect, in response to attack or injury, typically triggering a response of aggression or flight in others of the same species or colony", 1960s; earliest use found in Science.[alarm pheromone etymology, alarm pheromone origin, 英语词源]