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It is a long-bodied, black beetle. At about 20–32 mm (13 ⁄ 16 – 1 + 1 ⁄ 4 in), [12] [13] it is one of the larger British beetles. Its wing covers are short, covering only its thorax, exposing the abdominal segments. The abdominal musculature is powerful and the abdominal segments are covered with sclerotized plates.
The beetle species stands out within its fauna due to its large body size and metallic-black appearance, especially distinguished by its elytra that extends into a pointed shape. Its dorsal surface is between 8-11mm long and its ventral surface is adorned with stiff bristles. Their heads feature prominent eyes and lines across the forehand.
Moneilema, or cactus longhorn beetles are a genus of large, flightless, black beetles found in North American deserts of the western United States and northern Mexico. M. gigas is native to the Sonoran Desert at elevations below 4900 feet (1500m). [ 1 ]
Eleodes (commonly known as pinacate beetles or desert stink beetles) is a genus of darkling beetles, in the family Tenebrionidae. [1] They are endemic to western North America ranging from southern Canada to central Mexico with many species found along the Mexico-United States border. [2] Some species have been introduced to Colombia.
Calosoma is a genus of large ground beetles that occur primarily throughout the Northern Hemisphere, and are referred to as caterpillar hunters or caterpillar searchers. Many of the 167 species are largely or entirely black, but some have bright metallic coloration. They produce a foul-smelling spray from glands near the tip of the abdomen.
Heteronychus arator (hetero+onychus = 'variable claw', arator = 'ploughman') is a species of beetle in the subfamily Dynastinae (the rhinoceros beetles). It is commonly called African black beetle or black lawn beetle. [1] It is native to Africa and it is an introduced species in Australia, Norfolk Island and the North Island of New Zealand. [2]
The beetles vary widely in size and can present with a range of anywhere from 12 mm to 20 mm in size. [1] They have two conspicuous orange-yellow bands on the elytra. The color of the antennae are an important distinguishing feature, being totally black. [2]
Larvae of the black carpet beetle Attagenus megatoma may grow up to 1 ⁄ 2 inch (13 mm) and be yellow to brown in color. Other types of carpet beetle are regularly 1 ⁄ 4 to 1 inch (6.4 to 25.4 millimetres) long and covered with dark setae. Certain species have distinctive tufts of setae extending from their posterior end.