Yosiokobayasia Samson, Luangsa-ard & Thanakitpipattana, gen. nov.

Index Fungorum number: MB 834911; Facesoffungi number: FoF14499

Etymology: Named after Prof. Yosio Kobayasi in recognition for his work on entomopathogenic fungi in Japan.

Description: Stroma white, erect with terminal oblong fertile part. Perithecia superficial, ovoid, ordinal in arrangement, on pupa of Lepidoptera underground. Ascospores hyaline, filiform, breaking into part-spores.

Type species: Yosiokobayasia kusanagiensis (Kobayasi & Shi- mizu) Samson, Luangsa-ard & Thanakitpipattana

Habitat: Lepidoptera pupa.

Known distribution: Japan.

Notes: –  Yosiokobayasia is an entomopathogenic genus proposed from a single lineage as shown in Fig. 1. This genus belongs to one of the basal lineages in a supported clade that includes Rotiferophthora, Pochonia, Metapochonia, Papiliomyces, Sun- gia, Keithomyces and Metarhizium.