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 ?
The bioefficacy experiment has convincingly showed that both the native Bt isolates are pathogenic to blister beetle, however, comparatively the commercial insecticide was found to be superior.
Featured creature: blister beetles [University of Florida Institute of Food and Agricultural Sciences web site].
Blister beetles and false blister beetles produce the chemical cantharidin that causes skin blistering.
Blister beetles (Epicauta vittata and other closely related species) appear in swarms in summer, just as tomatoes, beans and other crops start looking good.
The name blister beetle comes from the fact that they do cause blisters on humans.
Make sure if you are feeding alfalfa to horses that it is from a later cutting and is free of blister beetles.
Spinosad controls all types of caterpillars, Colorado potato beetle larvae and blister beetles, and works best on pests that consume a lot of leaf tissue.
Despite the title, which depending on personal tastes can be a plus or a minus for a commuter read, the book gives clear accounts of a wide range of research beyond sex: insect personalities, wasp facial recognition, fruit flies artificially bred for intelligence, slavemaking ants, hitchhiking blister beetles and much more.
Sure to appeal to middle school students, this book highlights the peculiar and gross aspects of individual deaths, such as Henry VIII exploding in his coffin, or the use of blister beetles to treat George Washington.
He talked of blister beetles and antibiotics and insect sex attractants.
The different groups that are dealt with in detail include mites from the family Cunaxidae, pseudoscorpions (Pseudoscorpionides), springtails (Collembola), booklice (Psocoptera), earwigs (Dermaptera), beetles (Coleoptera) belonging to some 17 different families, including such important ones as the ground beetles (Carabidae), hide and carpet beetles (Dermestidae), blister beetles (Meloidae) and weevils (Curculionoidea).
Although this genus contains approximately 17% of all known species of meloids in the Nearctic (n = 410) (Pinto & Bologna 2002), little is known about many of these species of blister beetles.