Animal Systematics, Evolution and Diversity

The Korean Society of Systematic Zoology (한국동물분류학회)
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Six New Records of Running Crab Spiders of the Genus Tibellus with Four New Species (Araneae: Philodromidae) from Korea

  • Chang Moon Jang (Division of Life Sciences, College of Life Sciences and Bioengineering, Incheon National University) ;
  • Sue Yeon Lee (Life and Environment Research Institute, Konkuk University) ;
  • Jung Sun Yoo (Species Diversity Research Division, National Institute of Biological Resources) ;
  • Yang Seop Bae (Division of Life Sciences, College of Life Sciences and Bioengineering, Incheon National University) ;
  • Seung Tae Kim (Life and Environment Research Institute, Konkuk University)
  • Received : 2023.10.14
  • Accepted : 2023.10.26
  • Published : 2023.10.31
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Abstract

The spider fauna of rice fields, marshes, and reclaimed lands was intensively explored in 2015-2022. During the seasonal survey, six Tibellus spiders were collected; two of them, Tibellus fengi Efimik, 1999 and Tibellus japonicus Efimik, 1999, were new to Korean spider fauna and four of them were identified as new species, Tibellus deokjeok sp. nov., Tibellus gimcheon sp. nov., Tibellus sihwa sp. nov., and Tibellus yeongdong sp. nov.. Four new species are similar to each other and known species in the shape of the genital organ and body appearance in both sexes, but can be distinguished from the other Tibellus members by the shape of embolus, conductor, retrolateral tibial apophysis, and ventral tibial apophysis in male and median septum, receptaculum, spermatheca, and copulatory duct in female. The present study taxonomically describes these six Tibellus spiders with diagnoses, measurements, and morphological photos with a key to the Korean Tibellus species.

Keywords

Acknowledgement

This study was supported by grants from the National Institute of Biological Resources(NIBR)(NIBR202203105 and NIBR 202304103), the Nakdonggang National Institute of Biological Resources(NNIBR 202201201) funded by the Ministry of Environment (MOE), and the Rural Development Administration (RDA)(PJ 015071042023) by Ministry of Agriculture, Food and Rural Affairs(MAFRA) of the Republic of Korea.

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