Corticolous on roadside trees (Fraxinus, Populus and Tilia, also on Juglans, Malus and Pyrus), exceptionally in forests on Carpinus.

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

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

France: Mar.: AC, Boul.: AR, Pic.: AR, Lorr.: AR.

Lit.: Ba: 9, Boul.: 69, Ca: 96-97, Di: 121-122, Ho: 142, NL84: 14, Qu:85-86.