Two new nematode-trapping fungi (Arthrobotrys, Orbiliaceae) from Yunnan, China

XIN ZHANG; FA ZHANG; LIN JIANG; YAO-QUAN YANG; XIAO-YAN YANG; WEN XIAO

doi:10.11646/phytotaxa.568.3.2

Issue: Vol. 568 No. 3: 18 October 2022

Type: Article

Published: 2022-10-18

DOI: 10.11646/phytotaxa.568.3.2

Page range: 255-266

Abstract views: 96

PDF downloaded: 4

**Two new nematode-trapping fungi (Arthrobotrys, Orbiliaceae) from Yunnan, China**

XIN ZHANG⁺⁻
FA ZHANG⁺⁻
LIN JIANG⁺⁻
YAO-QUAN YANG⁺⁻
XIAO-YAN YANG⁺⁻
WEN XIAO⁺⁻

Institute of Eastern-Himalaya Biodiversity Research, Dali University, Dali, Yunnan 671003, P.R. China; Key Laboratory of Yunnan State Education Department on Er’hai Lake Basin Protection and the Sustainable Development Research, Dali University, Dali, Yunnan 671003, P.R. China

Institute of Eastern-Himalaya Biodiversity Research, Dali University, Dali, Yunnan 671003, P.R. China. Key Laboratory of Yunnan State Education Department on Er’hai Lake Basin Protection and the Sustainable Development Research, Dali University, Dali, Yunnan 671003, P.R. China.

Institute of Eastern-Himalaya Biodiversity Research, Dali University, Dali, Yunnan 671003, P.R. China; Key Laboratory of Yunnan State Education Department on Er’hai Lake Basin Protection and the Sustainable Development Research, Dali University, Dali, Yunnan 671003, P.R. China

Institute of Eastern-Himalaya Biodiversity Research, Dali University, Dali, Yunnan 671003, P.R. China; Key Laboratory of Yunnan State Education Department on Er’hai Lake Basin Protection and the Sustainable Development Research, Dali University, Dali, Yunnan 671003, P.R. China; The provincial innovation team of biodiversity conservation and utility of the three parallel rivers from Dali University, Dali University, Dali, Yunnan 671003, P.R. China

Institute of Eastern-Himalaya Biodiversity Research, Dali University, Dali, Yunnan 671003, P.R. China; Key Laboratory of Yunnan State Education Department on Er’hai Lake Basin Protection and the Sustainable Development Research, Dali University, Dali, Yunnan 671003, P.R. China; The provincial innovation team of biodiversity conservation and utility of the three parallel rivers from Dali University, Dali University, Dali, Yunnan 671003, P.R. China; Yunling black-and-white snub-nosed monkey observation and research station of Yunnan province, Dali, Yunnan 671003, P.R. China

Carnivorous fungi Morphology New species Orbiliomycetes Phylogeny Fungi

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Abstract

Arthrobotrys jindingensis and A. tongdianensis, two new species isolated from the freshwater sediment and terrestrial soil in Lanping county, Yunnan, China, are introduced based on morphology and multi-locus phylogenetic analysis (ITS, TEF and RPB2). A. jindingensis is characterized by its branched conidiophores with irregularly swollen nodular apex, pyriform or obovoid, and 1-septate conidia. A. tongdianensis is characterized by its branched conidiophores, and ellipsoid or obovate, 1-septate conidia. Phylogenetic analysis supports them as two new species within Arthrobotrys with high support. The descriptions and illustrations of these two species are provided in this paper.

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