Iridomyrmecin is a defensive chemical, classified as an iridoid, isolated from ants of the genus Iridomyrmex.

[1] It has also evolved into a sex pheromone in wasps such as Leptopilina,[2] with host species using the smell of iridomyrmecin as a way of detecting the presence of the parasitoid wasps.

[3] Iridomyrmecin is also found in a variety of plants including Actinidia polygama.

[4] This article about an organic compound is a stub.

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