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)
Ophiocordyceps issidarum (Material examined –THAILAND, Chiang Mai, The Mushroom Research Center, on adult of insect (Hemiptera Fulgoridae Issidae), 19 July 2015, YP Xiao, MSCM 15071901. (MFLU 17-0751 Holotype)). a Habitat. b Overview of the host and stromata. c Host. d–f Stroma. g Vertical section of stroma. h Vertical sections showing the superficial perithecia. i Perithecium. j–l Asci. m Asci with 8 ascospores. n Asci with apical cap. o–r Ascospores. Scale Bars: c–d = 1000 µm, e = 500 µm, g, h = 200 µm, f = 100 µm, j–l = 50 µm, j, m–r = 20 µm. (Hyde et al. 2017)
Phylogram of Ophiocordyceps generated from Maximum likelihood analysis of ITS, SSU, LSU and TEF1-α sequence data. Purpureocillium lilacinum (G406 and CBS 284.36) are used as outgroup. Maximum likelihood bootstrap values greater than 50% and Bayesian posterior probabilities over 0.9 are indicated above the nodes. The new are indicated in blue. (Hyde et al. 2017)
References:
Hyde KD, Norphanphoun C, Abreu VP, Bazzicalupo A, Chethana KT, Clericuzio M et al. 2017 – Fungal diversity notes 603–708: taxonomic and phylogenetic notes on genera and species. Fungal Diversity 87(1): 1–235.