Family
Meloidae (Blister beetles)
Epicauta puncticollis. Photo: (c) Jason Headley, some rights reserved (CC BY-NC)
Blister beetles are beetles of the family Meloidae, so called for their defensive secretion of a blistering agent, cantharidin. About 7,500 species are known worldwide. Many are conspicuous and some are aposematically colored, announcing their toxicity to would-be predators.