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Altitude-Dependent and Host Variety in Fruit Fly Populations: A Study on Bactrocera spp. in East Java Hamdoen, Fadel Muhammad; Tarno, Hagus; Syamsulhadi, Mochammad; Gandaseca, Seca
Research Journal of Life Science Vol 11, No 1 (2024)
Publisher : Direktorat Riset dan Pengabdian Masyarakat, Universitas Brawijaya

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Abstract

Oriental fruit fly (Bactrocera spp.) are one of the most invasive pests, known for their severe impact on causing damage to wide variety of comodities. In Indonesia, as an agricultural country, possesses vast agricultural areas, in which Bactrocera fruit flies pose a persistent threat to production, particularly in regions known for horticulture. This study aims to identify key environmental drivers influencing their distribution and abundance. A cross-sectional study was conducted across thirteen locations located in four regencies and cities within East Java, Indonesia. Fruit fly samples were collected using a purposive random sampling method, with the quantity of samples adjusted to the fruit availability at the research site. The results showed that B. albistrigata, B. carambolae, and B. dorsalis exhibit strong ecological overlap, sharing similar host plants and environmental preferences, which facilitate their coexistence. Furthermore, the research provides a foundation for predicting potential shifts in population distribution in response to climate change, enabling proactive measures to safeguard vulnerable agricultural systems.
Diversity of Fruit Flies (Diptera: Tephritidae) Attracted by Methyl Eugenol in Carambola and Papaya Orchads in Malang Regency, East Java, Indonesia Setiawan, Yogo; Hauroinsiyah, Fatimah; Hamdoen, Fadel Muhammad; Devi, Mia Prastika; Tarno, Hagus
Plantropica: Journal of Agricultural Science Vol. 9 No. 1 (2024)
Publisher : Department of Agronomy, Faculty of Agriculture, Brawijaya University

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Abstract

Fruit flies (Diptera: Tephritidae) are among the significant pests in horticultural commodities. Methyl eugenol has been widely used for the detection, monitoring, and control of fruit fly worldwide. This study aimed to investigate the diversity of fruit flies attracted by methyl eugenol in carambola and papaya orchards in Malang Regency, East Java, Indonesia. Fruit flies were collected using modified plastic bottle traps, which were transformed into the Steiner trap model and attracted by methyl eugenol. The traps were placed in two study sites: papaya and carambola orchards. The results showed that three species of fruit flies were captured using methyl eugenol in this study: B. dorsalis, B. umbrosa, and B. carambolae. The most predominant species were B. dorsalis (86.02%), followed by B. carambolae (11.26%), and B. umbrosa (2.72%). Bactrocera dorsalis was the dominant species at both study sites.