blister beetleblister beetle
any of a family (Meloidae) of soft-bodied beetles, some of which are harmful to plants: the dried and ground bodies of the Spanish fly and certain other species yield a substance that is used medically as a vesicant
Any of various beetles of the family Meloidae, such as the Spanish fly, that secrete cantharidin, a substance that blisters the skin and is toxic to livestock that consume hay contaminated with the beetles. Also called meloid .
orange blister beetle