Fruit Fly (Bactrocera spp.) is one of pest that attack rose apple in Tenayan Raya subdistrict Pekanbaru. Observation of spesies and fruit fly pest populations are important for application monitoring on Integrated Pest Control Management (IPM). This research aims to determine species and population of fruit fly (Bactrocera spp.) on rose apple Deli Hijau variety (Syzygium samarangense) in Tenaya…