What Puts the Blister Into Blister Beetles?

By John P. Roche Blister beetles produce cantharidin, a 10-carbon isoprenoid molecule that is highly bitter and is toxic to most animals. Because cantharidin is so bitter, it discourages predators, and its production may have been selected for in blister beetles because of this bitterness. The molecule is found in only two insect groups: blister […]

Source: Entomology Today

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