| 孙静,蒋际宝,冉雨晴,贺晓清,邱江平.2022.福建省武夷山和梅花山远盲蚓属蚯蚓四新种及其与近缘物种的遗传关系.动物学杂志,57(1):69-80. |
| 福建省武夷山和梅花山远盲蚓属蚯蚓四新种及其与近缘物种的遗传关系 |
| Four New Amynthas Earthworm Species from Wuyi Mountain and Meihua Mountain of Fujian Province and the Genetic Relationships with Their Relatives |
| 投稿时间：2021-05-12 修订日期：2022-01-13 |
| DOI：10.13859/j.cjz.202201007 |
| 中文关键词: 蚯蚓 远盲蚓属 新物种 福建 |
| 英文关键词:Earthworm Amynthas New species Fujian |
| 基金项目:国家自然科学基金项目（No. 42077028），成都工业学院博士基金项目（No. 2019RC008），中国国家科技基础资源调查项目（No. 2018FY100300） |
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| 中文摘要: |
| 福建省武夷山和梅花山国家级自然保护区地处中亚热带季风常绿阔叶林气候区，该区域物种多样性丰富，然而土壤动物蚯蚓的物种多样性研究相对较少。通过形态分类学方法和DNA条形码技术，本文报道在福建省武夷山和梅花山采集的巨蚓科（Megascolecidae）远盲蚓属（Amynthas）蚯蚓新物种4种：表土远盲蚓（A. epigenus Sun & Qiu, sp. nov.）、梅花山远盲蚓（A. meihuamontis Sun & Qiu, sp. nov.）、苔藓远盲蚓（A. muscosus Sun & Jiang, sp. nov.）和腐土远盲蚓（A. humatalis Sun & Jiang, sp. nov.）。这4个新物种在Sims等（1972）的物种群中属于A. sieboldi-group，其受精囊孔均位于6/7 ~ 8/9节间。所有新种附形态学描述、图片以及与相似物种的形态学比较和提交至GenBank的条形码登记号。此外还通过在GenBank上同源性搜索，筛选出了与新物种亲缘关系较近的蚯蚓物种，并对其进行了遗传距离计算和分子系统发育关系的梳理。以上结果将福建省武夷山和梅花山国家级自然保护区记录的蚯蚓物种数由4种增加至8种。 |
| 英文摘要: |
| [Objectives] The Wuyi Mountain and Meihua Mountain National Nature Reserves in Fujian Province are located in the mid-subtropical monsoon evergreen broad-leaved forest climate zone. This region has high species diversity. However, there are relatively few reports on the species diversity of soil animals (earthworms). We thus conducted an earthworm collection in the Wuyi Mountain and Meihua Mountain National Nature Reserves. [Methods] Morphological taxonomy methods and DNA barcode technology were used to identify the new species. The Bootstrap and P-distance methods were used to calculate the genetic distance between species, and the Bootstrap method and Jukes-Cantor model were used to construct molecular phylogenetic NJ trees in MEGA-X. [Results] Four new earthworm species belonging to the family Megascolecidae and genus Amynthas were found: A. epigenus Sun & Qiu, sp. nov., A. meihuamontis Sun & Qiu, sp. nov., A. muscosus Sun & Jiang, sp. nov. and A. humatalis Sun & Jiang, sp. nov (Fig. 1﹣4). These four new species belong to the A. sieboldi-group in the species group of Sims & Easton, and their spermatheca pores are located in 6/7﹣8/9. We provided morphological descriptions, pictures, morphological comparisons with similar species, and barcode accession numbers submitted to GenBank for all the new species. In addition, we also searched out earthworm species that are closely related to the new species through BLAST on GenBank (Table 1). The genetic distance calculations show that the genetic distance between new species and related species is greater than the interspecies genetic distance (usually less than 1%), and meets the range of intraspecies genetic distance (8.3%﹣13.0%, and above), so they have at least species level Genetic difference (Table 2, 3). The molecular phylogenetic relationship rebuilding result shows that the positions of the four new species in the phylogenetic tree are different from those of other species, which further proves that the four species reported in this paper are new species (Fig. 5). [Conclusion] In summary, the morphological and genetic evidence suggests that A. epigenus Sun & Qiu, sp. nov., A. meihuamontis Sun & Qiu, sp. nov., A. muscosus Sun & Jiang, sp. nov. and A. humatalis Sun & Jiang, sp. nov are new species. The present report has made the number of earthworm species increase from 4 to 8 in Wuyishan and Meihuashan National Nature Reserves in Fujian Province. |
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