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<p>A novel entomopathogenic fungus, <i>Blackwellomyces napialus</i>, which parasitizes <i>Napialus hunanensis</i>, is introduced from Guizhou Province, China. <i>Blackwellomyces napialus</i> is characterized by fleshy, orange-red stromata, flexuous, cylindrical stipes, clavate to baseball-bat shaped fertile parts, semi-immersed, ovoid perithecia, cylindrical asci with filiform, and multiseptate ascospores. The phylogenetic position of the new species within the genus <i>Blackwellomyces</i> (<i>Cordycipitaceae</i>) was determined through phylogenetic analyses of combined ITS, LSU, <i>rpb1</i>, <i>rpb2</i>, and <i>tef1-α</i> dataset. Samples of <i>Bla. napialus</i> were grouped together and formed a distinct clade separate from other species of <i>Blackwellomyces</i>. The distinctiveness of this species was strongly supported by phylogenetic, morphological and ecological evidence. The new species is formally described and illustrated.</p>

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Blackwellomyces napialus (Cordycipitaceae, Hypocreales), a Novel Species Parasitic on Napialus hunanensis from China

  • 期刊论文

  • 发表日期：

    2026年4月4日

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  • Jin-Long Jia,
  • Cui-Yuan Wei,
  • Mei Tang,
  • Zhu-Yu Cheng,
  • Ya-Nan Wang,
  • Zhu-Liang Yang,
  • Gang Deng,
  • Yuan-Bing Wang

摘要

A novel entomopathogenic fungus, Blackwellomyces napialus, which parasitizes Napialus hunanensis, is introduced from Guizhou Province, China. Blackwellomyces napialus is characterized by fleshy, orange-red stromata, flexuous, cylindrical stipes, clavate to baseball-bat shaped fertile parts, semi-immersed, ovoid perithecia, cylindrical asci with filiform, and multiseptate ascospores. The phylogenetic position of the new species within the genus Blackwellomyces (Cordycipitaceae) was determined through phylogenetic analyses of combined ITS, LSU, rpb1, rpb2, and tef1-α dataset. Samples of Bla. napialus were grouped together and formed a distinct clade separate from other species of Blackwellomyces. The distinctiveness of this species was strongly supported by phylogenetic, morphological and ecological evidence. The new species is formally described and illustrated.