A New Species of <i>Sinospelaeobdella</i> from China: <i>Sinospelaeobdella jiangxiensis</i> sp. n. (<i>Hirudinda, Arhynchobdellida, Haemadipsidae</i>)
2025
Tianyi Li | Yuhang Liu | Chen Zhang | Hao Gu | Zheng Cheng | Jie Peng | Jiang Feng | Ying Liu
We describe a new species (<i>Sinospelaeobdella jiangxiensis</i><b>sp. n.</b>) from a natural cave in southwestern Jiangxi Province, China, according to external and internal morphology and COI gene sequences. <i>S. jiangxiensis</i><b>sp. n.</b> is distinguishable from other species of <i>Sinospelaeobdella</i> primarily by morphological characteristics, including body length, the position of the fifth pair of eyes and the first pair of testes, the number of caeca, and the shape and number of auricular projections. We also estimate its phylogenetic position within the genus <i>Sinospelaeobdella.</i> Molecular phylogenetic analyses supported the morphological delimitation of <i>S. jiangxiensis</i><b>sp. n.</b> as separate from <i>S. wulingensis.</i> Both the morphological and molecular data support <i>S. jiangxiensis</i><b>sp. n.</b> as a new species, so the results provide critical data for the determination and conservation of <i>Sinospelaeobdella</i>, and enhance the documented diversity of this recently established genus.
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