The minute tree-fungus beetles, family Ciidae, are a sizeable group of beetles which inhabit Polyporales bracket fungi or coarse woody debris. Most numerous in warmer regions, they are nonetheless widespread and a considerable number of species occur as far polewards as Scandinavia for example.
Known Species per The California Beetle Database .
Ceracis californicus
Cis duplex
Cis fuscipes
Cis hystriculus
Cis versicolor
Cis vitulus
Hadraule blaisdelli
Octotemnus laevis
Orthocis punctatus
Plesiocis cribrum
Sulcacis curtulus