Deilomyces Guerra-Mateo, Gené & Cano, 2025

Deilomyces Guerra-Mateo, Gené & Cano gen. nov.

Etymology.

Greek deilós (δειλός), timid, and Greek múkēs (μύκης), fungus, referring to the slow growth in culture and restricted production of ascomata.

Classification.

Eurotiomycetes, Onygenales , Incertae sedis

Type species.

Deilomyces minimus Guerra-Mateo, Gené & Cano

Description.

Mycelium composed of hyaline, septate, branched, smooth-walled hyphae. Asexual morph Chrysosporium - like. Conidia thallic, terminal, intercalary, occasionally lateral, hyaline to subhyaline, smooth-walled to tuberculate, thick-walled; terminal and lateral conidia aseptate, subglobose to obpyriform or short clavate with truncated base; intercalary conidia alternate, frequently disposed in a knuckle joint position, 0–1 - septate, subglobose, subcylindrical, obpyriform, or short clavate with truncated base. Sexual morph with gymnothecial ascomata. Gymnothecia superficial, single or aggregated, globose or subglobose; peridium composed of a subtle network of septate, branched, anastomosed, hyaline, smooth- and thick-walled hyphae; peridial appendages absent. Asci 8 - spored, evanescent, globose, subglobose, or pyriform. Ascospores unicellular, smooth- and thick-walled, globose, subglobose, ellipsoidal, or irregularly shaped.