Mosquitoes (adults and larvae) and wolf spiders are representatives of dominantgroups for neutral insects and predators in arthropod community in the rice field, respectively.Trophic and reproductive effects of the wrigglers for wolf spider, Pirata subpiraticus werestudied in this paper The result showed that predation of the wolf spider for the wrigglers wascoincident with functional response of Holling II. There was a significant difference betweenfeeding on wrigglers and no feeding on increase rate of th...