4.2 Article

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

Journal

PHYTOTAXA
Volume 568, Issue 3, Pages 255-266

Publisher

MAGNOLIA PRESS
DOI: 10.11646/phytotaxa.568.3.2

Keywords

Carnivorous fungi; Morphology; New species; Orbiliomycetes; Phylogeny

Categories

Funding

  1. Second Tibetan Plateau Scientific Expedition and Research Program (STEP) [2019QZKK0402]
  2. National Natural Science Foundation Program-Yunnan union fund [U1602262]

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In this study, two new species, Arthrobotrys jindingensis and A. tongdianensis, isolated from freshwater sediment and terrestrial soil in Lanping county, Yunnan, China, were introduced based on morphology and multi-locus phylogenetic analysis. The phylogenetic analysis provides strong support for them as two new species within the genus Arthrobotrys. Descriptions and illustrations of these two species are provided in this paper.
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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