Spider Fauna on Ulleungdo Island in Korea
Anim. Syst. Evol. Divers. Vol. 37, No. 2: 101-128, April 2021 https://doi.org/10.5635/ASED.2021.37.2.088 Review article Spider Fauna on Ulleungdo Island in Korea Sue Yeon Lee1, Jung Sun Yoo2, Taeseo Park2, Kwang Soo Kim3, Seung Tae Kim4,* 1College of Agricultural Life Science, Jeonbuk National University, Jeonju 54896, Korea 2Biological and Genetic Resources Utilization Division, National Institute of Biological Resources, Incheon 22689, Korea 3Animal Resources Division, National Institute of Biological Resources, Incheon 22689, Korea 4Life and Environment Research Institute, Konkuk University, Seoul 05029, Korea ABSTRACT The present study was conducted to establish a comprehensive checklist of spiders on Ulleungdo Island in Korea. Past records were compiled and four new surveys of spiders in Ulleungdo Island were conducted from May to September 2019. The surveys were conducted at 18 sites in seven of the nine major administrative districts. A total of 114 species from 84 genera in 26 families were identified from 958 individual spiders. The 21 spider species belonging to 10 families were added to the known spider fauna on Ulleungdo Island from the present study. The survey results were combined present results with previous records showed there were 242 species from 143 genera in 32 families on Ulleungdo Island. The species richness in each family was high, in the order Araneidae, Theridiidae, Salticidae, Linyphiidae, Tetragnathidae, Thomisidae, Gnaphodidae and Philodromidae. Four Korean endemic species, Coscinida ulleungensis Paik, 1995, Steatoda ulleungensis Paik, 1995, Drassodes taehadongensis Paik, 1995 and Phrurolithus pennatoides Seo, 2018, found only on Ulleungdo Island. In addition, the following six indigenous species that inhabit only in Ulleungdo Island: Euryopis octomaculata (Paik, 1995), Porrhomma montanum Jackson, 1913, Piratula knorri (Scopoli, 1763), Cladothela parva Kamura, 1991, Cladothela unciinsignita (Bösenberg and Strand, 1906) and Clubiona tongdaoensis Zhang, Yin, Bao and Kim, 1997.
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