Community structure of Lepidoptera in Nantu-Boliohuto Wildlife Reserve, Sulawesi, Indonesia

Lepidoptera diversity serves as a vital bioindicator of ecosystem health and environmental quality. This research investigated the Lepidoptera community structure within the Nantu-Boliohuto Wildlife Reserve, Celebes, Indonesia, using a purposive sampling method with insect nets at three distinct stations. Diversity indices at all stations were categorized as moderate: Station I, far from the river area adjacent to Camp Yayasan Adudu Nantu International (H’ = 1.57); Station II, at the Babi Rusa wallow area (H’ = 2.48); and Station III, the waterfall area (H’ = 2.64). Evenness was high at all stations (Station I: E = 0.99; Station II: E = 0.94; Station III: E = 0.98). Dominance was low across all stations: Station I (C = 0.21), Station II (C = 0.09), and Station III (C = 0.08). The species abundance index of Elymnias resplendens Martin, 1929 (Nymphalidae) was the highest (Di = 0.124). These findings contribute to environmental quality assessment and serve as a data inventory for Lepidoptera in the Nantu-Boliohuto Wildlife Reserve.