Corticolous, on bark of young branches of Malus.

Belgium: - .

Luxembourg: - .

France: Brab.: RRR (<1910, type locality).

Redinger (1937) examined the holotype and found that it represents a species of Arthonia with submuriform ascospores. The holotype has unfortunately been destroyed. Sundin (1999) studied several isotypes that represent Naetrocymbe punctiformis.

Lit.: Bouly de Lesdain (1910: 229), Redinger (1937: 55-56), Sundin (1999: 65).