Corticolous, on all kinds of trees, in rather open conditions (incl. isolated trees and orchards), also abundant on rather dry underhangs of siliceous rocks.

Belgium: Brab.: RR, Mosan: RR, Ard.: AR, Lorr.: R.

Luxembourg: Ard.: AR, Lorr.: AR.

France: Boul.: RRR.

Lit.: Boul.: 70, Di: 152-153, NL84: 15, NL97: 50, Kümmerling et al. (1995), Van den Broeck et al. (2008).