Four (adventive) species in our area(1), >70 spp. in 3 subgenera total(2)
Range
native to w. Palearctic, adventive elsewhere.
Remarks
Two species were formerly treated in Trachyphloeus. In addition to the species already in the Guide, C. discors Desbrochers 1875 (native to w Mediterranean) has been introduced to the US(1)