Diversity and Composition of Arthropods Natural Enemies in Integrated Rice Fish Farming System (Minna padi) and Its Functions in Agroecosystems

Abstract

Abstract Minna Padi is an integrated rice fish farming system that implements environmentally friendly cultivation and creates a sustainable ecosystem. However, the effects of minna padi farming systems on the diversity of natural enemies have not been reported previously. This research was conducted to compare the diversity and abundance of natural enemies [parasitoids and predators] in minna padi and conventional rice fields. Three pairs of minna padi and conventional paddy fields were selected for fields research. Natural enemies were collected in the field research using sweeping nets, yellow sticky traps and pitfall trap every two weeks during the cultivation. The results showed that the abundance of parasitoids was higher in minna padi than that in conventional farming systems. However, the abundance of predators was higher in conventional farming systems. Parasitoid and predator species richness also showed no difference between the two rice farming systems. However, the composition between the two farming systems was different, minna padi was dominated by parasitoids such as Aphonagmus sp. and Eurythoma dentata, while conventional dominated by a predator such as Pardosa pseudoannulata and Plexippus sp.