Blackwellomyces lateris

Blackwellomyces lateris Y.P. Xiao, T.C. Wen & K.D. Hyde, in Hyde et al., Fungal Diversity: 10.1007/s13225-019-00429-2, [151] (2019)

Index Fungorum number: IF555421         Facesoffungi number: FoF05066

Sexual morph: Thallus within host, without mycelium cover. Stromata 5–6 cm long, 1.5–2 mm wide, fleshly, mostly branched, yellow to yellowish, stipitate arising from head of the host. Stipe 3.5–4 cm long, 1.5 mm wide, fleshly, yellow to yellowish, clavate, with stromata on the side face. Fertile head 0.5–2.5 cm long, 1.5–2 mm wide, fleshly, solitary or branched, cylindrical, yellow to yellowish, unilateral on the stipe. Stroma 713– 822 × 939–1106 μm (x̄ = 767 × 1023 μm, n = 30) in vertical section, yellow to yellowish, unilateral. Perithecia 287–343 × 138–184 μm (x̄ = 315 × 161 μm, n = 30), embedded, ampulliform to ovoid, yellow to yellowish, thick-walled, with ostiole on the top. Peridium 17–29 μm wide (x̄ = 23 μm, n = 60), three layers, textura porrecta in first layer, textura angularis in middle layer, textura intricata in third layer. Asci 166–223 × 3.7–5.1 μm (x̄ = 195 × 4.4 μm, n = 60), 8-spored, hyaline, narrow cylindrical, with a thin apex. Apical cap 2.2–3 × 3.3– 4.4 μm (x̄ = 2.2 × 3.3 μm, n = 60), hyaline. Ascospores 160–217 × 1–1.5 μm (x̄ = 188 × 1.2 μm, n = 60) cylindrical, smooth-walled, hyaline, without septa, not breaking into secondary part spores. Asexual morph: Undetermined.

Host and Habitat: Parasitic on a larva (Lepidoptera) buried in the upper 2 cm of soil.

Known distribution: Thailand.

Material examined: THAILAND, Chiang Mai Province, The Mushroom Research Centre, on larvae (Lepidopteran), 12 June 2017, Y.P. Xiao, MRC170617 (MFLU 18-0663, holotype); ibid., MFLU 18-0664, MRC170617b, (HKAS 96376, isotype).

GenBank Accession No: ITS: MK086059, LSU: MK086061, RPB1: MK084615, RPB2: MK079354, SSU: MK086057, TEF1: MK069471.