Secretions of blister beetles help deter predators by containing cantharidin, a poisonous chemical.

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References

“Other animals that autohemorrhage come from various insect families within the beetle order Coleoptera…Another is Lytta vesicatoria from the oil beetle family, commonly known as the blister beetle. These creatures secrete a liquid called cantharidin which, when in contact with human skin, causes it to blister. The liquid has valuable medical properties, and is often used as a treatment for skin complaints such as warts.” (Shuker 2001:130)

Book
The Hidden Powers of Animals: Uncovering the Secrets of NatureMarshall Editions Ltd.July 23, 2019
Dr. Karl P. N. Shuker

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Living System/s

Organism
lytta spanishfly

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