Blister beetle

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How To Identify Blister Beetles
Black Blister Beetle Close-up
Striped And Black Blister Beetles On Leaves

The striped blister beetle (Epicauta vittata) & the black margined blister beetle (E. pestifera) ~ Blister beetles get their name because when disturbed they secrete a defensive toxin called cantharidin from glands at their leg joints, which may cause blisters or even oozing lesions upon contact with skin. Do not handle these insects! They are highly toxic when ingested with hay, irritating the gastrointestinal & urinary tracts of animals & may lead to death, especially in horses…

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a green bug sitting on top of a plant

Spanish Fly (Lytta vesicatoria) : : one of a number of species that are collectively called blister beetles; it and other such species were used in preparations offered by traditional apothecaries. The perceived aphrodisiac properties of L. vesicatoria and its dried cantharides, are a result of its toxicology, specifically, irritant effects it has upon the body's genitourinary track; views of this property are anachronistic alongside modern statements saying the effect is just painful.

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the back side of a box with an image of a black and red beetle on it

Blister beetles are living proof that nature finds ways to protect small animals that can't fight off enemies with brute force. These small bugs produce a poison that can kill animals several times the beetles' own size. Blister beetles have also developed clever ways to use other insects to help them survive.Knee Jerk: When agitated, some blister beetle species can flex small muscles in their knees to force out drops of a blood-like substance that is filled with poison.Red Flag: A…

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a black bug sitting on top of a leaf next to a cell phone and pen

American Oil beetle, aka Short-Winged Blister Beetle (Meloe americanus). Ashtabula County, Ohio, USA. Scanned from original transparency. These guys are enormous. Photographs, Text and Videos ©Jay Cossey, PhotographsFromNature.com (PFN) All rights reserved. Contact: PhotographsFromNature@gmail.com My second book, "Familiar Butterflies of Indiana and their Natural History" is now available! Please check out my first book, "Southern Ontario Butterflies and their Natural History". Now available…

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