Fruit flies is one of the important pests which attack fruits in Indonesia and very detrimental economicaly. The objective of this research was to determine mating behaviour of fruit flies Bactrocera sp., testing their response to attractants methyl eugenol and cue lure as well as identification some species of fruit flies that attack belimbing, ketapang and paria fruits. The fruits samples which were affected by fruit flies were collected from plantation at Lopana and Kapitu, South Minahasa. Imago was assessed at laboratory of entomology, Faculty of Agriculture. Result showed that mating time of these species was occured between 17.10 -18.45. Sexual maturity of belimbing fruit flies was 10 -12 days. Whereas ketapang fruit flies and paria fruit flies were 10 -14 days and 11 -13 days respectively. B. dorsalis complex was attracted to methyl eugenol. While B. albistrigata and B. cucurbitaceae Coq.were attracted to cue lure. Keywords : fruit flies Bactrocera sp. Belimbing, ketapang, paria fruits, methyl eugenol and cue lure ABSTRAK Lalat buah merupakan salah satu hama penting yang menyerang buah-buahan di Indonesia dan sangat merugikan secara ekonomi. Sampel buah yang terserang lalat buah diambil dari desa Lopana dan Kapitu, Minahasa Selatan. Pemeliharaan imago dilakukan di laboratorium. Penelitian ini bertujuan untuk mengetahui beberapa aspek perilaku kawin lalat buah Bactrocera sp., menguji respon terhadap atraktan methyl eugenol dan cue lure serta mengidentifikasi jenis-jenis lalat buah yang menginfestasi buah belimbing, ketapang dan paria yang dipelihara pada kondisi laboratorium. Hasil penelitian menunjukkan waktu kawin lalat buah terjadi pada pukul 17.10 -18.45. Kematangan seksual lalat buah belimbing 10 -12 hari, lalat buah ketapang 10 -14 hari dan lalat buah paria 11-13 hari. Lalat buah B. dorsalis complex tertarik pada methyl eugenol sedangkan lalat buah B. albistrigata dan B.cucurbitaceae Coq. Tertarik pada cue lure. Kata kunci : lalat buah Bactrocera sp., buah belimbing, buah ketapang, buah paria, atraktan metil eugenol dan cue lure Eugenia Volume 17 No. 3 Desember 2011 PENDAHULUAN Buah-buahan dan sayuran merupakan sumber vitamin dan mineral alami yang utama. Buah-buahan, seperti jambu biji, belimbing dan pepaya mempunyai kandungan vitamin A dan C dalam jumlah besar. Sementara itu, sayuran sesuai jenisnya juga mempunyai kandungan vitamin dan mineral alami yang bernilai tinggi. Belimbing (Averrhoa carambola L) merupakan tanaman buah berupa pohon yang berasal dari Malaysia, kemudian menyebar luas ke berbagai negara beriklim tropis di seluruh dunia termasuk Indonesia. Pada umumnya belimbing ditanam dalam bentuk kultur pekarangan (home yard gardening), yaitu sebagai tanaman peneduh di halaman rumah. Di Indonesia terdapat cukup banyak ragam varietas belimbing diantaranya adalah; varietas Sembiring, Siwalan, Dewi, Demak, Demak Kapur, Demak Kunir, Demak Jingga, Pasar Minggu, Wijaya, Paris, Filipina, Taiwan, Bangkok dan varietas Malaysia. Tahun 1987 telah dilepas dua varietas belimbing unggul nasional yaitu; vari...

Coffee berry borer (CBB), Hypothenemus hampei Ferrari , is a big challenge for farmers worldwide. The CBB life cycle may be found in coffee beans, making attractant traps an effective management method. Furthermore, during 2021 and 2022, the attractant traps were used to examine the effect on population density in Robusta coffee plantations. The treatment consisted of Cap Tikus ethanol (local), methanol, and a mixture of Cap Tikus ethanol-methanol. The results showed that all three traps could attract female beetles, and the highest CBB population caught was in 2021. A significant mixture towards the population was 68.15±60.42 CBB/trap/7 days and 35.75±8.39 CBB/trap/7 days in 2021 and 2022. The lowest fluctuation population of beetles caught was in Cap Tikus ethanol. The population was low at the first 7 days of observation, then increased at 21 and 28 days in 2021 (418–532 CBB/7 days) and 2022 (194–294CBB/7 days). Furthermore, the high rainfall and rainy days negatively affect the caught beetles’ population. Based on the results, the attractant traps are a method to monitor and control CBB in coffee plants.