14 spp. (of which 3 adventive) in 9 subgenera in our area, >700 total in ~90 subgenera(2)
Holarctic (most diverse in montane Eurasia)(2), incl. much of NA, esp. the northern half: 12 spp. in Canada(3), 8 in New England(4), 6 in WI(5), 5 in the Carolinas (cancellatus, goryi, serratus, sylvosus, vinctus)(6)(7), 2 in FL(8), 2-3 in CA(9)
Some species reported to overwinter as adults. Some reported to perform a courtship ritual, unusual in beetles.
Disclaimer: Dedicated naturalists volunteer their time and resources here to provide this service. We strive to provide accurate information, but we are mostly just amateurs attempting to make sense of a diverse natural world. If you need expert professional advice, contact your local extension office.