Lichenicolous, on the thallus of Caloplaca crenulatella, C. dolomiticola, C. flavescens, C. saxicola, C. variabilis, Catillaria lenticularis, Lecanora albescens, Mycobilimbia sabuletorum, Protoblastenia rupestris and Verrucaria macrostoma, V. cf. viridula and V. sp.

Belgium: Mar.: RRR, Fl.: RR, Brab.: RRR, Mosan: AR.

Luxembourg: Lorr.: R.

France: Mar.: RR, Lorr.: RR.

Lit.: Boul.: 70, Ertz: 20, LF0: 10, NL97: 51.