Holotype:
THAILAND, Nan Province, Ban Sali deciduous dipterocarp forest trail, 6 Aug. 2020, B. Sakolrak , W. Himaman, holotype BBH 49817, ex-type living culture BCC 93057.
Habitat:
Buried in soil.
Host:
On Coleoptera.
Description:
Stromata solitary or in pairs, cylindrical, gradually tapering toward the apex, brownish orange, 20–35 mm long. Stipes cylindrical, smooth, pale yellow, 0.7–1 mm wide. Rhizoids flexuous, 2–3 cm long buried under the ground, arising from head and thorax of Coleoptera larvae. Fertile parts distinctly subterminal with asexual morph at the apex. Ascomata subterminal, cylindrical, moderate reddish brown to brownish orange, crowded perithecia, 2–4 mm long, 1.2–2 mm wide. Perithecia completely immersed, obpyriform, 450–500 × 150–240 μm. Asci cylindrical, 125–200 × 5–8 μm with asci caps 1.5–2 × 5 μm. Ascospores cylindrical, 125–195 μm long, breaking into 32 small truncate part-spores, 4–6 × 1–2 μm. Asexual morph: Conidiogenous cells hirsutella-like, monoor polyphialidic, cylindrical basal portion, 5–22 × 3–5 μm with a distinct, filiform, long neck up to 21 μm long. Conidia hyaline, smooth-walled, globose, 3–5 μm diam.
Culture characteristics:
Colonies on PDA attaining a diam of 10–15 mm in 30 d, white, greyish red in the centre of colonies, colonies reverse white and dark greyish yellow brown in the centre of colonies. Conidiogenous cells hirsutella-like, phialidic, arising from either the lateral or terminal regions of the hyphae, cylindrical or ellipsoidal basal portion, 9.5–20 × 2–4 μm with a distinct, filiform, long neck up to 18 μm long. Conidia hyaline, smooth-walled, globose, 2–3 μm diam.
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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