Community and guild structures were investigated in 5 regions (Cheorwon, Icheon, Buan, Haenam, Ulsan) in 2016.A total of 4,806 spiders were collected and identified as 73 species of 48 genera in 17 families. Species compositionand abundance were high in Linyphiidae, Tetragnathidae and Lycosidae. Average species richness index was 28.27±0.72,abundance was 320.40±28.41 and diversity index was 2.49±0.06. Guild of rice field spiders were categorized 8 ecologicallyfunctional groups; Space web builders, Wandering sheet weavers, Orb weavers, Ground runners, Ambushers, Stalkers, Sheetweb builders and Foliage runners. Their abundance was high in ground runners with 167.00±24.12 and low in sheet webbuilders with 0.73±0.23. In species diversity, ground runners was high with 1.30±0.07 and stalkers was low with 0.31±0.09.

• Sue Yeon, Lee(Research Institute for Agriculture and Life Sciences, Seoul National University)
• Seung Tae, Kim(Life and Environment Research Institute, Konkuk University)