Microascales » Microascaceae » Wardomycopsis

Wardomycopsis fusca

 Wardomycopsis fusca Z.F. Zhang, F. Liu & L. Cai, sp. nov.

Index Fungorum number: 557752, Facesofungi number: FoF 08461; Fig. 46

Etymology: Referring to the brown color of its conidia.

Holotype: HMAS 247997.

Hyphae hyaline to pale olive, septate, smooth, thinwalled, 1.5–2.5µm diam. Asexual morph Sporulation abundant on SNA, brown, slimy. Conidiophores arising from hyphae, ellipsoidal to globose, occasionally branched one times, smooth, thick-walled, pale olive-brown, 3.0–7.5 × 2.5–5.0 µm. Conidiogenous cells solitary on aerial hyphae, ellipsoidal, or clustered on conidiophores, ampulliform, smooth, thick-walled, pale olive-brown, 3.0–5.0 (−6.0) × 2.5–3.5 µm. Conidia ellipsoidal, thick-walled, brown, 4.0–6.5 × 2.5–3.5 µm (x̄± SD = 5.1 ± 0.62 × 3.0 ± 0.32 µm, n = 30), with truncated base and median longitudinal germ slit. Sexual morph not observed. Culture characteristics—Colonies on PDA attaining 25–31 mm diam. after 3 weeks, felty, compact, convex, margin entire, pale olive (29A3) to grey (28B3), with light colored margin. Reverse sunken in center, cream-yellow (29A3) to olive (29D4). Colonies on OA attaining 26–28 mm diam after 3 weeks, fat, margin entire, white to dark olive (29F5), with olive rings (29F5). Reverse white to pale olive (29B2). Colonies on SNA attaining 23–28 mm diam after 3 weeks, fat, slightly plicated, margin entire, beige (28A2) to pale olive (29D4). Reverse beige (28A2) to dark olive (29F6). Sporulation within 15 days.

Material examined: CHINA, Guangxi, Guilin, Luotian Cave, N 24.948°, E 110.524°, on soil, May 2016, Z.F. Zhang, HMAS 247997 (holotype designated here), extype living culture CGMCC3.19306 = LC12476; ibid., LC12526; Guangxi, Guilin, E’gu Cave, N 24.942°, E 110.511°, on animal faeces, May 2016, Z.F. Zhang, LC12636; Yunnan, Mengzi, Mingjiu old Cave, N 23.487°, E 103.619°, on animal faeces, May 2016, Z.F. Zhang, LC12607; ibid., LC12661; Yunnan, Yiliang, Sanjiao Cave, N 25.134°, E 103.383°, on soil, May 2016, Z.F. Zhang, LC12643.

Notes: Wardomycopsis fusca is phylogenetically and morphologically closely related to W. ellipsoconidiophora and W. humicola (Fig. 37), but difers in ellipsoidal or globose and mostly unbranched conidiophores. Contrast to W. fusca, W. ellipsoconidiophora and W. humicola have cylindrical to ellipsoidal and branched conidiophores.

 

Fig. X  Wardomycopsis fusca (from ex-holotype CGMCC3.19306). a–c Upper and reverse views of cultures on PDA, OA and SNA 14 days after inoculation; d sporulation on SNA under stereomicroscope; e–i conidiophores and conidiogenous cells; j conidia. Scale bars: d 100 µm; e–j 10 µm

 

Retrieved from:

Zhang ZF, Zhou SY, Eurwilaichitr L, Ingsriswang S  et al.  2021 – Culturable mycobiota from Karst caves in China II, with descriptions of 33 new species. Fungal Diversity 106(1), 29-136. https://doi.org/10.1007/s13225-020-00453-7

 

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