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This species is most abundant between October and December, then from January through mid-May. It is of modest size, ranging in length from 10–14 mm. It has two sets of wings, protected by a hard shell that is black or dark brown. Only a few beetles have functional flight muscles. [6] No sexual dimorphism has been observed between males and ...
The elytra are usually hard shell-like structures which must be raised to allow the hindwings to move for flight. [74] However, in the soldier beetles (Cantharidae), the elytra are soft, earning this family the name of leatherwings. [75]
Moneilema gigas is a large, flightless, black beetle native to the Sonoran desert at elevations below 1500 metres. [1] The front wings are fused forming a single, hardened shell. Collectively - with 19 other Moneilema species - M. gigas is also known as the cactus longhorn beetle.
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 ]
The beetles cannot be mounted normally using stainless steel pins; rather, a hole must be drilled in the shell for the pin to be inserted. [8] A jigsaw-like layering of multiple scales of different sizes, ranging from microscopic to visible sizes, provides exceptional mechanical strength to the beetle's appendages.
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.
Mezium americanum, the American spider beetle or black spider beetle, [1] is a species of beetle in the subfamily Ptininae, the spider beetles. These are sometimes mistaken for spiders or mites because of their rounded abdomens and long legs. [2] It has a cosmopolitan distribution, but it is an exotic species in Australia. [3]
Calosoma sayi, also known as "Say's caterpillar hunter or "Black Caterpillar Hunter", [1] [2] is a species of ground beetle of the subfamily Carabinae. [3] It was described by Pierre François Marie Auguste Dejean in 1826. [3] A large, lustrous black beetle found throughout the United States, its habitat is fields and disturbed areas.