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The adult cottonwood borer is a large longhorn beetle with a black-and-white coloration and black antennae as long or longer than the body. [5] The white portions are due to microscopic masses of hair. [6] The larvae have legless, cylindrical, creamy-white bodies with a brown-to-black head and grow up to 38 millimetres (1.5 in) long.
The proportion of longhorn beetle species that act as pollinators is unknown. The fact that two species of longhorn species from distinct subfamilies ( Lepturinae and Cerambycinae ) found on different continents both with significant roles as pollinators could suggest that some capacity for pollination may be common among longhorn beetles.
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 elytra are dark with three white bands. The thorax is white with a large black spot. The alder borer's antennae are banded white and black. The male's antennae are longer than the body; the female's are shorter. Long and narrow, the body of R. funebris may grow to be 38 millimetres (1.5 in).
The adults grow up to 13–20 millimetres (0.51–0.79 in). The head and pronotum are dark-brown, while elytra are yellowish, with black dots and stripes, rough imitations of wasps, which probably gives them some protection from birds. [3]
From a distance, M. robiniae can easily be mistaken for a wasp or bee, due to its black and yellow striped pattern. It can also be mistaken for two closely related species: M. caryae and M. decora. The adult beetle can be 11 to 28 mm (0.43 to 1.10 in) long, and it has a W-shaped third stripe on the elytra. The antennae of both sexes are dark ...
Moneilema semipunctatum is a species of beetle in the family Cerambycidae. [1] It was described by John Lawrence LeConte in 1852. [1] It is known commonly as the cactus borer beetle. Beetles of genus Moneilema are known commonly as cactus longhorn beetles. [2] It is native to North America, where it occurs in the western United States and ...
Leptura quadrifasciata, the four-banded longhorn beetle, is a species of beetle in the family Cerambycidae. [1] It was described by Carl Linnaeus in his landmark 1758 10th edition of Systema Naturae. [2] Adult beetles are 11–20 mm long, black with four more or less continuous transverse yellow bands.