Hypocreales » Cordycipitaceae » Cordyceps

Cordyceps succavus

Cordyceps succavus 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: IF555420         Facesoffungi number: FoF05065

 

Sexual morph: Stromata 4–5 cm long, 3–6 mm wide, yellowish to yellow, fleshly, mostly solitary, stipitate, inside hollow after mature. Stipe 2–3 cm long, 3–5 mm wide, fleshly, yellowish to white, clavate, with stromata on the top. Fertile head 1.5–2 cm long, 4–5 mm wide, fleshly, solitary, cylindrical, yellow to yellowish. Stroma 3–3.4 × 2.4–2.7 mm (x̄ = 3.2 × 2.6 mm, n = 30) in vertical section, yellow to yellowish. Perithecia 534–655 × 179–278 μm (x̄ = 594 × 229 μm, n = 30), half-embedded, ampulliform to ovoid, yellow to yellowish, thick-walled, with ostiole on the top. Peridium 23–36 μm wide (x̄ = 29 μm, n = 60), two layers, textura porrecta in first layer, textura angularis in secondary layer. Asci 486–600 × 3.6–4.9 μm (x̄ = 543 × 4.3 μm, n = 60), 8-spored, hyaline, narrow cylindrical, with a thick apex. Apical cap 3.1–4.1 × 3.3–4.5 μm (x̄ = 3.6 × 3.9 μm, n = 60), hyaline. Ascospores 466–594 × 0.9–1.2 μm (x̄ = 530 × 1.1 μm, n = 60), filiform, smooth, hyaline, septate, breaking into secondary spores. Secondary spores 2.8–4.9 × 0.9–1.2 μm (x̄ = 3.8 × 1.1 μm, n = 60), cylindrical, smooth, hyaline, one-celled. Asexual morph: Undetermined.

 

Host and Habitat: Parasitic on an unknown insect buried (Lepidopteran) in the upper 1 cm of soil.

 

Known distribution: Thailand.

 

Material examined: THAILAND, Chiang Mai Province, Samoeng, on larvae (Lepidopteran), 10 July 2017, Y.P. Xiao, CM0752 (MFLU 18-1890, holotype); ibid., CM0752b, HKAS 96376 (MFLU 18-1891, isotype).

 

GenBank Accession No: ITS: MK086060, LSU: MK086062, RPB1: MK084616, RPB2: MK079353, SSU: MK086058.