Thecesternus humeralis
(Say, 1826)
Thecesternus humeralis is a of broad-nosed weevil in the Curculionidae, described by Say in 1826. It is one of seven species in the Thecesternus, commonly known as "bison dung weevils" or "bison snout beetles" due to their historical association with seeking shelter under bison . The species is found in North America and shares the genus-wide traits of being small, flightless, , and cryptic.
Pronunciation
How to pronounce Thecesternus humeralis: /θiːˈsɛstərnəs hjuːmɛˈrɑːlɪs/
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Distribution
North America
Similar Taxa
- Thecesternus hirsutusCongeneric with similar , , and ; both are small flightless weevils associated with ground debris and , but T. hirsutus has been more extensively studied for potential and differs in specific morphological details not fully documented for T. humeralis
- Other Thecesternus speciesSeven occur in the across central, eastern, and southwestern U.S. and Canada; species-level identification requires examination of subtle morphological characters not well documented in available sources