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Ophiocordyceps paraisarioidea sp. nov. (Hypocreales, Ophiocordycipitaceae), a novel species of Ophiocordyceps parasitizing lepidopteran larvae
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Chenxin CHANG1, Zhongxia ZHANG2, Liping DENG2, Jiandong LIANG1, Qi YU1, *, Yongdong DAI1, 2, *
Mycosystema | 2026, 45(1) : 250213
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Mycosystema | 2026, 45(1): 250213
Research paper
Ophiocordyceps paraisarioidea sp. nov. (Hypocreales, Ophiocordycipitaceae), a novel species of Ophiocordyceps parasitizing lepidopteran larvae
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Chenxin CHANG1, Zhongxia ZHANG2, Liping DENG2, Jiandong LIANG1, Qi YU1, *, Yongdong DAI1, 2, *
Affiliations
  • 1 Fungus Medicine Research Center/ School of Basic Medical Science, Guizhou University of Traditional Chinese Medicine, Guiyang 550025, Guizhou, China
  • 2 School of Pharmacy, Guizhou University of Traditional Chinese Medicine, Guiyang 550025, Guizhou, China
Published: 2026-01-22 doi: 10.13346/j.mycosystema.250213
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Ophiocordyceps is a diverse, widely distributed, and host-rich genus of entomogenous fungi, with over 400 species reported to date. The Hengduan Mountains in Yunnan of southwestern China, recognized as a global biodiversity hotspot, represent a major center of diversity for this genus. In this study, we describe a new species of Ophiocordyceps from Hengduan Mountains in Yunnan, designated Ophiocordyceps paraisarioidea sp. nov., based on morphological observations and phylogenetic analyses using both single ITS sequences and a combined dataset of five loci (nrSSU, nrLSU, tef-1α, rpb1 and rpb2). Morphologically, this species is prone to misclassification as Paraisaria in virtue of stromatal structure, but it differs by having darker stromata, a spherical fertile part with apical protuberances, and multiseptate non-disarticulating ascospores. Five-gene phylogenetic analyses place O. paraisarioidea in the basal clade of Ophiocordyceps, clustering with Ophiocordyceps entomorrhiza. Nevertheless, the two species exhibit notable differences in morphology and host preference: O. paraisarioidea has dark brown stroma with grayish-white tips and parasitizes lepidopteran larvae, whereas O. entomorrhiza forms nearly black stromata and infects both larvae and adults of coleopteran insects (Carabus sp.). Notably, the lepidopteran host of O. paraisarioidea challenges the prevailing hypothesis that Coleopterans represent the ancestral hosts of Ophiocordyceps, implying the occurrence of multiple host shifts during the early evolutionary history. The discovery of O. paraisarioidea may provide valuable insight into the origin and early diversification of this genus.

Hengduan Mountains  /  multigene phylogeny  /  the basal clade of Ophiocordyceps  /  spherical fertile part  /  host shift  /  new species
Chenxin CHANG, Zhongxia ZHANG, Liping DENG, Jiandong LIANG, Qi YU, Yongdong DAI. Ophiocordyceps paraisarioidea sp. nov. (Hypocreales, Ophiocordycipitaceae), a novel species of Ophiocordyceps parasitizing lepidopteran larvae[J]. Mycosystema, 2026 , 45 (1) : 250213 - . DOI: 10.13346/j.mycosystema.250213
  • National Natural Science Foundation of China(32160005)
  • Guizhou Key Laboratory of Microbiome and Infectious Disease Prevention & Control(ZDSYS[2023]004)
Year 2026 volume 45 Issue 1
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doi: 10.13346/j.mycosystema.250213
  • Receive Date:2025-07-14
  • Online Date:2026-04-30
  • Published:2026-01-22
Article Data
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History
  • Received:2025-07-14
  • Accepted:2025-08-19
Funding
National Natural Science Foundation of China(32160005)
Guizhou Key Laboratory of Microbiome and Infectious Disease Prevention & Control(ZDSYS[2023]004)
Affiliations
    1 Fungus Medicine Research Center/ School of Basic Medical Science, Guizhou University of Traditional Chinese Medicine, Guiyang 550025, Guizhou, China
    2 School of Pharmacy, Guizhou University of Traditional Chinese Medicine, Guiyang 550025, Guizhou, China

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* DAI Yongdong, ;
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表12种不同金属材料的力学参数

Family
属数
Number of
genus
种数
Number of
species
占总种数比例
Percentage of
total species (%)

Genus
种数
Number of
species
占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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