Kathistaceae Malloch & M. Blackw., Can. J. Bot. 68(8): 1719 (1990)
Index Fungorum number: IF81991; Facesoffungi number: FoF06874; 6 species.
Saprobic on herbivore dung and insects. Sexual morph: Ascomata globose to subglobose,
with a long necks composed of parallel hyphae, straight curved ostiolar setae, with sphaerical
spore–bearing structures (sporidiomata), cylindrical unicellular extension present. Peridium thin–
walled, pseudoparenchymatous, of cells of textura angularis in surface view and thick–walled in
cross section. Paraphyses lacking. Asci 8–spored, unitunicate, ellipsoidal to fusoid, thin–walled,
evanescent at maturity, arranged in a basal fascicle. Ascospores clavate to falcate, hyaline or pale
brown, 0–1 or transversely multi septate. Asexual morph: Conidiomata superficially similar to the
ascomata, sphaerical, hyaline, without hyphal attachments, single wall layer thick at base, with or
without ostiole, when present ostiole comprising with long neck. Conidiomatal wall composed of
flattened cells of textura angularis. Conidiogenous cells enteroblastic, phialidic, hyaline, and
smooth. Conidia sphaerical or cylindrical, produced in the centre of the conidiomata, hyaline,
smooth, 0–1 or multi septate, escaping in a continuous chain through the ostiolar neck (adapted
from Maharachchikumbura et al. 2016b).
Type genus – Kathistes Malloch & M. Blackw.
Notes – Malloch & Blackwell (1990) established Kathistaceae to accommodate Kathistes
with the type species K. calyculata, and two more species, K. fimbriata and K. analemmoides.
Kathistaceae has sufficient taxonomic distance from Pyxidiophoraceae. Therefore, it was reported
as a family in Ophiostomatales (Malloch & Blackwell 1990). Maharachchikumbura et al. (2016b)
provided an updated outline of Kathistaceae with the genera Kathistes, Mattirolella, and
Ecological and economic significance of Kathistaceae
Kathistaceae species are saprobic on herbivore dung and insects (Malloch & Blackwell