Ophiocordyceps issidarum

Ophiocordyceps issidarum Y.P. Xiao, T.C. Wen, Zha & K.D. Hyde, in Hyde et al., Fungal Diversity 87: 153 (2017)

Index Fungorum number: IF553193; Faces of fungi number: FoF 3277

Parasitic in adult of insect (Hemiptera Fulgoridae Issidae), yellow to dark brown host, forming yellow to brownish stromata. Sexual morph: Thallus within host. Stromata 60–75 mm long, 1.5–2 mm wide, mostly branched, stipitate arising from abdomen of the host. Stipe 6 cm long, 2 mm wide, clavate, with stromata on the side face, becoming brown when mature. Ascomata 600–765 × 247–323 μm (x̄ = 683 × 285 µm, n = 30), superficial, brown to dark brown, oval shaped, thick-walled, no ostiole on the top. Peridium 42–63mm (x̄ = 52 µm, n = 60) wide, three layer. Asci 186–228 × 8–12 μm (x̄ = 207 × 10 µm, n = 60), 8-spored, hyaline, narrow cylindrical, with a thickened apex. Apical cap 5–7 μm (x̄ = 6 µm, n = 60) diam. Ascospores 173–202 × 3–5 μm (x̄ = 188 × 4 µm, n = 60) cylindrical, smooth, hyaline, 8–9 septate, not break into secondly spores. Asexual morph: Undetermined (Hyde et al. 2017).

Known hosts and distributions: on adult of insect (Hemiptera: Fulgoridae issidae) (Chiang Mai, Thailand) (Hyde et al. 2017).

Sequence data: MFLU 17-0751 (LSU = NG_064454, ITS = NR_160481). (Hyde et al. 2017)