blister beetle

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blister beetle

n.
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.
The American Heritage® Medical Dictionary Copyright © 2007, 2004 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved.
An arthropod—Cantharis vesicatoria or Lytta vesicatoria, Family Meloidae—from which ‘Spanish fly’ originates; when applied to mucocutaneous surfaces, it causes erythema, urticaria, and vesiculation; orally, it causes gastrointestinal irritation, nausea, vomiting, diarrhea, cramping, collapse; 60 mg of this nephrotoxic agent may be fatal
Management Ammonia may ameliorate the pruritus induced by blister fluid; corticosteroids may relieve pain
Segen's Medical Dictionary. © 2012 Farlex, Inc. All rights reserved.