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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 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 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 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.
Epicauta pensylvanica, known generally as the black blister beetle or black aster bug, is a species of burning blister beetle in the family Meloidae. [ 1 ] [ 2 ] The species name is sometimes spelled with a double "n", " Epicauta pennsylvanica ".
Epicauta hirticornis is a beetle species from the family of oil beetles (Meloidae). The species was first scientifically described in 1880 by Haag-Rutenberg. The species was first scientifically described in 1880 by Haag-Rutenberg.
All black specimen of Berberomeloe majalis, Portugal. It has a typical length around 5 cm (2 in.). Its large size and the bright red bands around its body make it unmistakable; its coloration is aposematic, reflecting its ability, in common with other oil or blister beetles in the family Meloidae, to squirt a caustic liquid if attacked. [1]
Meloe variegatus is a European oil beetle. It is commonly known as the variegated oil beetle. It is commonly known as the variegated oil beetle. Adult beetles feed on leaves and can be pests of crops, while the larvae are parasitic on solitary bees.