oil beetle definition

  • noun:
    • any one of various blister beetles of genus Meloe that exude an oily yellowish substance from the joints associated with the feet whenever disturbed.
    • any beetle of the genus Meloe and allied genera. When disturbed they emit from the joints of the legs a yellowish oily liquor. Some species possess vesicating properties, and are used instead of cantharides.
    • Any coleopterous pest of the genus MeloĆ« in an extensive sense: so called from the oil-like matter that they exude.
    • any one of different beetles that exude an oily compound from leg joints that deters enemies

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