The research was to know the number of catched fruit flies, its species and efectivity period ffom any dosage of metil eugenol in catching fruit flies (Bactrocera spp.) on Jack fruits. The research was conducted on 5 areas that was Kelurahan Bukit Lama, Bukit Baru, Demang Lebar Daun, Lorok Pakjo and Kelurahan Kemang Manis in Kecamatan Ilir Barat I, Palembang ffom September to November 2005. The…