Lestari, Nanda Indah DianYulminarti, Yulminarti2019-01-032019-01-032019-01-03978-979-792-865-0wahyu sari yenihttp://repository.unri.ac.id/handle/123456789/9491Bukit Rimbang Bukit Baling Wildlife Reserve located in Kampar and Kuantan Singingi districts, Riau Province. Owing to conversion of forest especially for oil palm plantations and human settlement, has devastating effects for the Bukit Rimbang Bukit Baling Wildlife Reserve ecosystem, thus have a direct influence for biodiversity loss. The objective of this study was to analyze the diversity of butterflies (Lepidoptera: Rhopalocera) in Bukit Rimbang Bukit Baling Wildlife Reserve. This study was conducted in three different location i.e human settlement, oil palm plantation and riverside from 09:00 – 12:00 am and from 14:00 – 16:00 pm within Pollard transect methode was used. The study succesfully identified 465 butterflies individuals representating 78 species belong five families namely Papilionidae (10 species), Pieridae (12 species), Nymphlidae (37 species), Lycaeniidae (14 species), Hesperiidae (5 species). The highest Shanon-diversity index were found in riverside (H’ = 3,93), while the lowest were in the oil palm plantation (H’ = 2,46).otherdiversitybutterflyRhopaloceraRiauArticle