blister beetle

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blister beetle

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.
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


1. a vesicle, especially a bulla, a lesion of the skin.
2. a paste containing an irritant such as cantharides used to plaster onto a horse's leg to produce counterirritation and encourage healing of a strained tendon or ligament.

blister beetle
blood blister
a vesicle having bloody contents, as may be caused by a pinch or bruise.
blister fly
internal blister
References in periodicals archive ?
Featured creature: blister beetles [University of Florida Institute of Food and Agricultural Sciences web site].
Featured creature: false blister beetles [University of Florida Institute of Food and Agricultural Sciences web site].
COUNTRYSIDE: I have been plagued with blister beetles for the past several years.
COUNTRYSIDE: If I see blister beetles on a plant, I shake them off (use a stick) and then spray top and bottom of leaves with an enzyme spray intended to get rid of pet odors (the brand I use is called "Out
The fastest way to identify the problem is to find blister beetles directly within the feed.
Bionomics, systematics, and phylogeny of Lytta, a genus of blister beetles (Coleoptera, Meloidae).