Merck Manual

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Epicauta atrata (blister beetle)
epicauta-atrata-yellow-flower-cantharidin-poisoning-romano-sized
Epicauta atrata (blister beetle)

    Photograph of a blister beetle (Epicauta atrata) feeding on a yellow flower. Blister beetles feed on floral and leaf parts of a wide variety of plants.

Courtesy of University of Kentucky Entomology.