Corticolous, mainly on smooth bark (e.g. on Carpinus), in forests, orchards and along roads.

Belgium: Mar.: C, Fl.: C, Camp.: R, Brab.: AC, Mosan: AR, Ard., Lorr.: AC.

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

France: Mar.: RR, Boul.: R, Pic.: RR, Lorr.: R.

Lit.: Ba: 9, Boul.: 69, Ca: 94, Di: 120-121, DSL: 238-239, Ho: 140, Mü1: 152, NL84: 14.