Utilising Plant Extracts as Lures to Capture Ambrosia Beetles (Coleoptera: Curculionidae) in Cocoa Plantation

Sylvia Sjam; Vien Sartika Dewi; Ade Rosmana; Asman; M. Bayu Mario; Elkawakib Syam’un; A. Amrullah; Syahribulan; Nuriadi; Nur Azizah Fitriyanti; Alim Nur Syafitri

doi:10.22146/jtbb.13392

Sylvia Sjam Department of Plant Pest and Disease, Faculty of Agriculture, Hasanuddin University, Makassar 90245 Indonesia https://orcid.org/0000-0002-2881-1871
Vien Sartika Dewi Department of Plant Pest and Disease, Faculty of Agriculture, Universitas Hasanuddin, Tamalanrea, Makassar, South Sulawesi, 90245, Indonesia.; Cocoa Research Group, Faculty of Agriculture, Universitas Hasanuddin, Tamalanrea, Makassar, South Sulawesi, 90245, Indonesia. https://orcid.org/0009-0001-6049-2647
Ade Rosmana Department of Plant Pest and Disease, Faculty of Agriculture, Universitas Hasanuddin, Tamalanrea, Makassar, South Sulawesi, 90245, Indonesia.; Cocoa Research Group, Faculty of Agriculture, Universitas Hasanuddin, Tamalanrea, Makassar, South Sulawesi, 90245, Indonesia. https://orcid.org/0000-0003-0887-1735
Asman Department of Plant Pest and Disease, Faculty of Agriculture, Universitas Hasanuddin, Tamalanrea, Makassar, South Sulawesi, 90245, Indonesia.; Cocoa Research Group, Faculty of Agriculture, Universitas Hasanuddin, Tamalanrea, Makassar, South Sulawesi, 90245, Indonesia. https://orcid.org/0000-0001-6405-2844
M. Bayu Mario Department of Plant Pest and Disease, Faculty of Agriculture, Universitas Hasanuddin, Tamalanrea, Makassar, South Sulawesi, 90245, Indonesia.; Cocoa Research Group, Faculty of Agriculture, Universitas Hasanuddin, Tamalanrea, Makassar, South Sulawesi, 90245, Indonesia. https://orcid.org/0000-0002-3619-3348
Elkawakib Syam’un Department of Agronomy, Faculty of Agriculture, Universitas Hasanuddin, Tamalanrea, Makassar, South Sulawesi, 90245, Indonesia. https://orcid.org/0000-0001-5875-118X
A. Amrullah Department of Social Economy, Faculty of Agriculture, Universitas Hasanuddin, Tamalanrea, Makassar, South Sulawesi, 90245, Indonesia.; Cocoa Research Group, Faculty of Agriculture, Universitas Hasanuddin, Tamalanrea, Makassar, South Sulawesi, 90245, Indonesia. https://orcid.org/0000-0002-4633-8520
Syahribulan Department of Biology, Faculty Mathematics and Natural Science, Universitas Hasanuddin, Tamalanrea, Makassar, South Sulawesi, 90245, Indonesia. https://orcid.org/0000-0003-0246-5699
Nuriadi Department of Plant Protection, Faculty of Agriculture, Universitas Halu Oleo, Kendari, Southeast Sulawesi, 93232, Indonesia.
Nur Azizah Fitriyanti Department of Plant Pest and Disease, Faculty of Agriculture, Universitas Hasanuddin, Tamalanrea, Makassar, South Sulawesi, 90245, Indonesia.; Cocoa Research Group, Faculty of Agriculture, Universitas Hasanuddin, Tamalanrea, Makassar, South Sulawesi, 90245, Indonesia.
Alim Nur Syafitri Department of Plant Pest and Disease, Faculty of Agriculture, Universitas Hasanuddin, Tamalanrea, Makassar, South Sulawesi, 90245, Indonesia.

DOI: https://doi.org/10.22146/jtbb.13392

Keywords: Attractant trap, Coffee leaf extract, Carrot leaf extract, Eucalyptus oil, Hypothenemus

Abstract

The ambrosia beetle (Coleoptera: Curculionidae) is a significant pest affecting cocoa plants in South Sulawesi. The high intensity of their attacks poses a serious threat to cocoa production, causing plants to wilt and die. This study developed traps baited with active ingredient compounds from various plant species, including coffee, carrot leaves, fermented cocoa wood, and eucalyptus oil, and compared their efficacy with ethanol. Beetles collected in these traps were identified based on morphological characteristics using a stereo microscope. The attraction test results indicated that all treatments successfully attracted ambrosia beetles, with ethanol capturing the highest number of individuals (1391). The results showed that ethanol and other extracts could capture ambrosia beetles of various kinds. The highest number of captures was found in ethanol and carrot leaf extract treatments. Additionally, eleven species were identified: Coccotrypes sp., Diuncus quadrispinulosus, Eccoptopterus spinosus, Hypothenemus sp. 1, Hypothenemus sp. 2, Hypothenemus sp. 3, Xyleborus affinis, Xylosandru s mancus, Xylosandrus crassiusculus, Xylosandrus eupatorii, and Xylosandrus morigerus. Traps baited with carrot leaf extract were most effective in capturing Hypothenemus sp. 3. These findings underscore the importance of developing various attractant traps utilising plant chemical compounds to detect and identify ambrosia beetle species and mitigate severe crop damage.

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