TYPE. FRANCE, on soralia of Flavoparmelia caperata, Etayo 12603 (MA, holotype).
Description. Lichenicolous fungus. Images in Diederich et al. (2012), Figs. 1 and 2.
Thallus absent. Ascomata arthonioid apothecia, punctiform, brown-black, 0.05-0.10 mm diam., covered with distinctive dark brown hairs. Epithecium brown-black; hymenium brownish, I-, K/I-; paraphysoids compacted, branched; hypothecium brownish. Asci arthonioid (subglobose) to clavate, K/I+ pale red, 8-spored; ascospores hyaline to pale brown, 1-septate, 10–14 × 3.5–4.5 μm.
Chemistry. Not reported.
Substrate and Habitat. Lichenicolous on Flavoparmelia and various Cladonia species.
Distribution. Europe, Canary Islands, northeastern North America; in North Carolina one occurrence in the southern Appalachians.
Literature
Cannon, P., D. Ertz, A. Frisch, A. Aptroot, S. Chambers, B. Coppins, N. Sanderson, J. Simkin & P. Woseley. (2020). Arthoniales: Arthoniaceae. Revisions to the British and Irish Lichens1: 1-48.
Diederich, P., D. Ertz, M. Eichler, R. Cezanne, P. van den Boom, E. Fischer, D. Killmann, D. Van den Broeck & E. Sérusiaux. (2012) New or interesting lichens and lichenicolous fungi from Belgium, Luxembourg and northern France. XIV. Bulletin de la Société des naturalistes luxembourgeois113: 95-115.
Etayo, J. (1996) Aportación a la flora liquénica de las Islas Canarias. I. Hongos liquenícolas de Gomera. Bulletin de la Société Linnéenne de Provence47: 93-110 (original description).