This study aims to provide a baseline data of the insect fauna in the ancestral domain of Tboli ethnolinguistic group in the protected landscape of Lake Holon, Mt. Parker in T’boli, South Cotabato. Insect diversity and ecological parameters will be identified. This study will also document ethno-entomological knowledge of the Tboli ethnolinguistic group living in Brgy. Salacafe that includes local name of insects, their uses, cultural and economic importance.