Family: Incertae sedis Species: Lichenodiplis fallaciosa Lichenicolous fungus on Orcularia insperata (Rinodina biloculata) Photos: Dromore, Co. Cork, SW Ireland. New to Ireland The black, +/- elongated pycnidia are embedded in the hymenium of the host apothecia, with only the ostiole +/- visible at the surface. Conidia are simple, oval to oblong, truncated at the base, light brown to greenish brown, 6-10 x 3-4 µm. Micrographs below. Lichenicolous in the apothecia of Orcularia insperata (Rinodina biloculata) but very rarely recorded and easy to overlook Similar: Lichenodiplis lichenicola, conidia 1-septate, on Rinodina sophodes and Orcularia insperata. L. rinodinicola, on R. sophodes, conidia 7.5-9 × 3-4 µm, not yet recorded from Britain or Ireland

Micrographs





Lichenodiplis fallaciosa. August 2024