Holotype:
THAILAND, Phitsanulok Province, Ban Phaothai community forest, 28 Jun. 2017, S. Mongkolsamrit, K. Tasanathai, W. Noisripoom, U. Pinruan, holotype BBH 44437, ex-type living culture BCC 85328.
Habitat:
Buried in soil.
Host:
On Coleoptera.
Description:
Stromata solitary or multiple, cylindrical, greyish red to reddish brown, arising from head region of Elateridae larvae (Coleoptera), up to 15 cm long. Stipes cylindrical smooth, moderated orange yellow, 1–2 mm wide. Rhizoids flexuous, 3–8 cm long buried under the ground. Ascomata terminal, cylindrical, 20–40 mm long, 1–3.5 mm wide. Perithecia completely immersed, narrowly ovoid, 480–550 × 110–170 μm. Asci cylindrical, up to 250 μm long, 5–7 μm with asci caps, 2.5–3 × 5–6 μm. Ascospores or multiple, cylindrical, produced at upper region of the stipe, up to 12 cm long. Conidiogenous cells hirsutella-like, polyphialidic, cylindrical to subcylindrical basal part, occasionally slightly curved, 5–15 × 2.5–5 μm with a short neck up to 2–5 μm. Conidia hyaline, smooth-walled, fusoid, 5–8 × 1–1.5 μm. Some strains are occasionally found producing the asexual morph at the subterminal part of stipe connected with the ascomata. cylindrical, slightly curved, breaking into 32 small truncate partspores, 5–8 × 1–1.5 μm. Asexual morph: Synnemata solitary or multiple, cylindrical, produced at upper region of the stipe, up to 12 cm long. Conidiogenous cells hirsutella-like, polyphialidic, cylindrical to subcylindrical basal part, occasionally slightly curved, 5–15 × 2.5–5 μm with a short neck up to 2–5 μm. Conidia hyaline, smooth-walled, fusoid, 5–8 × 1–1.5 μm. Some strains are occasionally found producing the asexual morph at the subterminal part of stipe connected with the ascomata.
Culture characteristics:
Colonies on PDA attaining a diam of 10–15 mm in 30 d, white to pale greenish yellow, colonies reverse greyish brown. Conidiogenous cells hirsutella-like monophialidic or polyphialidic, awl-shaped, or swollen basal portion, 5–30 × 2–4 μm, forming a short neck up to 2.5 μm long. Conidia hyaline, smooth-walled, fusoid, 5–8 × 1.5–2.5 μm.
Reference:
Mongkolsamrit S, Noisripoom W, Tasanathai K, et al. (2024). Uncovering cryptic species diversity of Ophiocordyceps (Ophiocordycipitaceae) associated with Coleoptera from Thailand. Fungal Systematics and Evolution14: 223–250.
DOI: https://doi:10.3114/fuse.2024.14.15Species |
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