Bukit Tiga Puluh National Park (TNBT) is one of the Nature Conservation Areas (KPA) with a high diversity of butterflies. The Utilization Zone has a diversity of habitat types that have butterfly species. This study aims to discuss and inventory the Rhoplaocera Subordo butterflies based on morphological characters at the Talang Lakat Resort in the Riau Province TNBT Utilization Zone. The method…