Say-1826
Guides
Mordellistena trifasciata
Three-banded Tumbling Flower Beetle
Mordellistena trifasciata is a species of tumbling flower beetle in the family Mordellidae, first described by Thomas Say in 1824 (later amended to 1826). The common name "Three-banded Tumbling Flower Beetle" refers to its characteristic color pattern. Like other members of Mordellidae, this species exhibits the family's namesake tumbling behavior when disturbed. It occurs across North America with documented records from Canada and the United States.
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.
Xyleborus xylographus
Xyleborus xylographus is a species of bark beetle in the family Curculionidae, first described by Thomas Say in 1826. It belongs to the tribe Xyleborini, which includes ambrosia beetles that cultivate symbiotic fungi in wood galleries. The species has been recorded in North America, the Caribbean, and Southern Asia. Like other members of its genus, it likely engages in fungus-farming behavior, though specific ecological details for this species remain limited in published literature.