Ophiocordyceps ovatospora sp. nov. (Ophiocordycipitaceae, Hypocreales), pathogenic on termites from China

DEXIANG TANG; JUYE ZHU; LIJUN LUO; DONGHAI HOU; ZHIQIN WANG; SHIDAO YANG; HONG YU

doi:10.11646/phytotaxa.574.1.8

Issue: Vol. 574 No. 1: 25 November 2022

Type: Article

Published: 2022-11-25

DOI: 10.11646/phytotaxa.574.1.8

Page range: 105-117

Abstract views: 68

PDF downloaded: 1

Ophiocordyceps ovatospora sp. nov. (Ophiocordycipitaceae, Hypocreales), pathogenic on termites from China

DEXIANG TANG⁺⁻
JUYE ZHU⁺⁻
LIJUN LUO⁺⁻
DONGHAI HOU⁺⁻
ZHIQIN WANG⁺⁻
SHIDAO YANG⁺⁻
HONG YU⁺⁻

Yunnan Herbal Laboratory, College of Ecology and Environmental Sciences, Yunnan University, Kunming 650504, China.

Yunnan Herbal Laboratory, College of Ecology and Environmental Sciences, Yunnan University, Kunming 650504, China. School of Life Science, Yunnan University, Kunming, Yunnan 650504, China.

Yunnan Herbal Laboratory, College of Ecology and Environmental Sciences, Yunnan University, Kunming 650504, China.

1 new species morphology phylogeny taxonomy Fungi

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Abstract

A new species, Ophiocordyceps ovatospora, occurring on termites was collected from Yunnan Province, China, and is described based on morphological and molecular phylogenetic data. In a phylogenetic analysis of a combined dataset of multigene loci comprising the internal transcribed spacer regions (ITS), the small and large subunit of the ribosomal DNA (nrSSU and nrLSU), partial sequences of elongation factor 1-alpha (tef-1a) and the largest and second largest subunit of the RNA polymerase (rpb1, rpb2), O. ovatospora was clustered together with O. khokpasiensis to form a clade separate from other species of Ophiocordyceps. Morphologically, O. ovatospora is characterized by producing pseudo-immersed perithecia, filiform asci and ascospores, monophialidic phialides, and oval conidia. Ophiocordyceps ovatospora has smaller perithecia than those of O. khokpasiensis but its asci are larger.

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