Thymalidae
Guides
Thymalus marginicollis
Bark-gnawing Beetle
Thymalus marginicollis is a species of bark-gnawing beetle in the family Thymalidae (sometimes historically placed in Trogossitidae). The species was described by Chevrolat in 1842 and occurs across much of Canada, with records from Alberta, British Columbia, Manitoba, New Brunswick, and Newfoundland. As a member of Thymalidae, it belongs to a small family of predatory beetles associated with woody substrates.