4 spp. in our area(1)
, about as many in the Palaearctic...
not yet in the guide: G. moratus
(NS-BC to ?TX) and G. lecontei
(w. NA: BC-OR-AZ to MB-SD-NM)(2)(1)
prob. holarctic; across the north and with coniferous forests southward
under bark of conifers, esp. pines