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Adults are large-bodied and black, with very long antennae; in males, they can be up to twice the body length, but in females they are only slightly longer than body length. Both sexes have a white spot on the base of the wings, and may have white spots covering the wings. Both males and females also have a spine on the side of the prothorax. [2]
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 longest is the Hercules beetle, Dynastes hercules, with a maximum overall length of at least 18.1 cm (7.1 in) including the very long pronotal horn. The longest overall beetle is a species of longhorn beetle , Batocera wallacei , from New Guinea, which can attain a length of 26.6 cm (10.5 in), about 19 cm (7.5 in) of which is comprised by ...
Since beetles form such a large part of the world's biodiversity, their conservation is important, and equally, loss of habitat and biodiversity is essentially certain to impact on beetles. Many species of beetles have very specific habitats and long life cycles that make them vulnerable.
Some years the black beetles show up in the Tri-Cities gradually over months and their migration may go unnoticed. But other years they migrate in large numbers traveling in a single direction.
Hydrophilus triangularis, known generally as the giant black water beetle or giant water scavenger, is a species of water scavenger beetle in the family Hydrophilidae. [1] [2] [3] It is the most common and widespread species of Hydrophilus in North America, being found across the contiguous United States, southern Canada, and Mexico.
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.