1. Chemical substances produced by one organism that benefit another organism of a different species; semiochemicals that trigger a behavioral or physiological response in a receiver organism.
Usage: plural of kairomone; technical term used in ecology and entomology; contrasts with pheromones, which benefit the signaling organism

Examples

• Kairomones released by plants can attract predatory insects that feed on herbivorous pests.
• Some flowers produce kairomones that guide pollinators to their nectar sources.
• Parasitic wasps use kairomones from host plants to locate their prey.
• The study examined how kairomones mediate interactions between plants and insects.
• Predators often rely on kairomones emitted by their prey to locate food sources.