Bison-dung-weevil

Guides

• Thecesternus humeralis

  Thecesternus humeralis is a species of broad-nosed weevil in the family Curculionidae, described by Say in 1826. It is one of seven species in the genus Thecesternus, commonly known as "bison dung weevils" or "bison snout beetles" due to their historical association with seeking shelter under bison dung. The species is found in North America and shares the genus-wide traits of being small, flightless, nocturnal, and cryptic.

  weevilCurculionidaebison-dung-weevilflightlessnocturnalcrypticNorth-Americabroad-nosed-weevilThecesternusEntiminaeColeopterainsectbeetleSay-1826

• Thecesternus maculosus

  bison dung weevil, bison snout beetle

  Thecesternus maculosus is a species of broad-nosed weevil in the beetle family Curculionidae. It is one of seven species in the genus Thecesternus, collectively known as "bison dung weevils" or "bison snout beetles" for their historical association with bison dung as daytime shelter. The species is found in North America, particularly in the central and eastern United States and adjacent Canada. Like other members of its genus, it is nocturnal, flightless, and cryptic in appearance.

  weevilCurculionidaebison-dung-weevilnocturnalflightlesscrypticNorth-AmericaprairieEntiminae