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Meloe is a genus of blister beetles commonly referred to as oil beetles. [1] The name derives from their defensive strategy: when threatened they release oily droplets of hemolymph from their joints (legs, neck, and antennae). This fluid is bright orange and contains cantharidin, a poisonous chemical compound. Wiping the chemical on skin can ...
Meloe proscarabaeus is a European oil beetle. It lives in meadows , field margins and other warm sites in all but the far north of the continent. It lacks hind wings and the elytra are correspondingly reduced in size.
Meloe americanus, or the American oil beetle, is a type of blister beetle. It belongs to the genus Meloe, which is one of the larger genera in the Meloidae family, with 146 known species. [2] They are called “oil beetles” because of a fluid they release from their joints when they feel threatened. [4] Adult body length ranges from 7 mm to ...
Meloe angusticollis, commonly known as the short-winged blister beetle or oil beetle, is a species of blister beetle, native to North America. [1] They average 9-19 mm (0.35-0.75 inches) in length [2] — females are much larger than males.
Blister beetles are beetles of the family Meloidae, so called for their defensive secretion of a blistering agent, cantharidin. About 7,500 species are known worldwide. Many are conspicuous and some are aposematically colored, announcing their toxicity to would-be predators .
The metallic green beetles can damage more than 300 types of “ornamental, horticultural, agricultural and native plants,” Sacramento County said. Invasive beetles found in Sacramento area pose ...
Epicauta hirticornis beetles have slender bodies with black elytra, red heads, and black-and-white striped abdomens. [2] Their heads are distinctly separated from the prothorax, and the tip of their abdomens are visible beyond the tip of their elytra. [3] They are gregarious and typically found in groups.
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