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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 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.
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.
The coloration in the species Berberomeloe majalis (Linnaeus, 1758) is characterized by the presence of bright blood-red or orange transverse stripes across a solid black swollen abdomen (the length of this beetle may reach up to 9 centimetres (3.5 in)).
The goldspotted oak borer is just 14 miles from the Santa Monica Mountains' 600,000 oak trees and threatens to devastate forests throughout California, harming wildlife and increasing fire risks.
Berberomeloe, a genus within the tribe Lyttini of the family Meloidae (also known as oil or blister beetles), comprises the species Berberomeloe castuo formerly identified as Berberomeloe majalis. These beetles are wingless and parasitize solitary bees during their larval stage [ 3 ] and are pollinators as adults. [ 4 ]
Extreme drought and bark beetles now threaten California's Ancient Bristlecone Pine Forest, home to Methuselah, a 4,853-year-old bristlecone pine.