Steinernema populi n. sp. (Panagrolaimomorpha, Steinernematidae), a new entomopathogenic nematode species from China
文献类型： 外文期刊
作者： Tian, C. L. 1 ; Zhu, F. 1 ; Li, X. Y. 2 ; Zhang, J. H. 1 ; Puza, V 3 ; Shapiro-Ilan, D. 4 ; Zhao, D. 5 ; Liu, J. W. 1 ; Zhou, J. J. 1 ; Ding, Y. 1 ; Wang, J. C. 1 ; Ma, J. 6 ; Zhu, X. F. 7 ; Li, M. H. 1 ; Li, J. P. 1 ;
作者机构： 1.Jilin Acad Agr Sci, Inst Plant Protect, Changchun 130033, Peoples R China
2.Sichuan Acad Agr Sci, Inst Plant Protect, Chengdu 610066, Sichuan, Peoples R China
3.Czech Acad Sci, Inst Entomol, Lab Insect Pathol, Branisovska 31, Ceske Budejovice 37005, Czech Republic
4.USDA ARS, Southeastern Fruit & Tree Nut Res Lab, Byron, GA USA
5.Shenyang Agr Univ, Analyt Instrumentat Ctr, Shenyang 110161, Peoples R China
6.Hebei Acad Agr & Forestry Sci, Inst Plant Protect, Shijiazhuang 050031, Hebei, Peoples R China
7.Shenyang Agr Univ, Coll Plant Protect, Nematol Inst Northern China, Shenyang 110065, Peoples R China
关键词： Description; molecular characterization; phylogenetic systematics; Steinernema; taxonomy; China
期刊名称：JOURNAL OF HELMINTHOLOGY （ 影响因子：1.866； 五年影响因子：1.782 ）
ISSN： 0022-149X
年卷期： 2022 年 96 卷
页码：
收录情况： SCI
摘要： Steinernema populi n. sp. was recovered by baiting from beneath poplar trees in China. Morphological and molecular features provided evidence for placing the new species into the Kushidai clade. The new species is characterized by the following morphological features: third-stage infective juveniles (IJ) with a body length of 1095 (973-1172) mu m, a distance from the anterior end to excretory pore of 77 (70-86) mu m and a tail length of 64 (55-72) mu m. The Body length/Tail length (c) ratio and Anterior end to Excretory pore/ Tail length x 100 (E%) of S. populi n. sp. are substantially greater than those of all other 'Feltiae-Kushidai-Monticolum' group members. The first-generation males can be recognized by a spicule length of 66 (57-77) mu m and a gubernaculum length of 46 (38-60) mu m. The new species is further characterized by sequences of the internal transcribed spacer and partial 28S regions of the ribosomal DNA. Phylogenetic analyses show that Steinernema akhursti and Steinernema kushidai are the closest relatives to S. populi n. sp.
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