Tags: Chemical Compound, Chemical Substance.
Cantharidin a type of terpenoid is a chemical compound secreted by many species of blister beetle and most notably by the Spanish fly Lytta vesicatoria. The false blister beetles cardinal beetles and soldier beetles also produce cantharidin. It is a poisonous substance acting as a blister agent and can cause severe chemical burns but these same properties make it effective as a topical medication.
