blister beetle(redirected from blister fly)
Also found in: Dictionary, Thesaurus, Legal, Encyclopedia.
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.
Management Ammonia may ameliorate the pruritus induced by blister fluid; corticosteroids may relieve pain