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INDONESIA
Jurnal Entomologi Indonesia
Published by Perhimpunan Entomologi Indonesia
ISSN : 18297722     EISSN : 20890257     DOI : -
Core Subject : Science, Agriculture,
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology
Jurnal Entomologi Indonesia (JEI) publishes original research papers and short communications that covers the basic and applied aspect of insects and mites or other arthropods in agriculture, forestry, human and animal health, and natural resources and environmental management. The journal is published by Perhimpunan Entomologi Indonesia (Entomological Society of Indonesia). JEI was first published at the beginning of 2004 with twice per year in frequency on March and September. Since 2015, Jurnal Entomologi Indonesia has been published three times per year on March, July, and November.
Arjuna Subject : -
Articles 433 Documents
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Uji kombinasi biner beberapa senyawa aktif asal minyak cengkeh terhadap kutu daun kedelai Aphis glycines Matsumura (Hemiptera: Aphididae): Binary combination assay of several active compounds from clove oil against the soybean aphid Aphis glycines Matsumura (Hemiptera: Aphididae) Stela Aria Feriska; Yusup Hidayat; Yani Maharani
Jurnal Entomologi Indonesia Vol 23 No 2 (2026): July
Publisher : Perhimpunan Entomologi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.5994/jei.23.2.136

Abstract

The soybean aphid, Aphis glycines Matsumura, is a major soybean pest that can reduce crop yield. Botanical insecticides derived from clove oil, which contains eugenol, β-caryophyllene, and α-humulene, as well as their derivatives caryophyllene acetate and caryophyllene formate, may provide environmentally friendly alternatives to synthetic insecticides. This study evaluated the effects of binary combinations of these compounds on the mortality and nymph production of A. glycines. The experiment was arranged in a completely randomized design (CRD) with 11 treatments consisting of ten binary combinations and a control, each with three replications. Treatments were applied by contact spraying on ten wingless adult A. glycines at concentrations of 0.5% and 1%. The results showed that binary combinations primarily affected nymph production.  At 0.5%, several combinations, including eugenol+α-humulene, eugenol + β-caryophyllene, eugenol+caryophyllene formate, α-humulene+β-caryophyllene, α-humulene+caryophyllene acetate, α-humulene+caryophyllene formate, and β-caryophyllene+caryophyllene acetate, significantly reduced nymph production with suppression levels of 75–88%. At 1%, all combinations significantly reduced nymph production with suppression ranging from 78–88%. The β-caryophyllene+caryophyllene acetate combination also showed significant mortality. However, the effect was relatively low, reaching 33.36% at 0.5% and 36.67% at 1% at 48 hours after treatment. These findings indicate the potential of clove oil-derived compounds and their derivatives for A. glycines management, particularly through sublethal effects that suppress reproduction.
Dynamic profiling of volatile organic compounds in IR64 rice infested with Sitophilus oryzae (Linnaeus): An exploratory HS-SPME-GC-MS study for initial biomarker screening Nasrul Friamsa; Witjaksono Witjaksono; Suputa Suputa; Kuwat Triyana
Jurnal Entomologi Indonesia Vol 23 No 2 (2026): July
Publisher : Perhimpunan Entomologi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.5994/jei.23.2.145

Abstract

This study examines the volatile organic compounds (VOCs) as potential indicators of the presence of rice weevils, Sitophilus oryzae (Linnaeus), in IR64 rice grains. Conventional detection methods have limitations because pest infestation is detected after signs of pest damage have appeared. Meanwhile, identification of VOCs resulting from host-pest interactions can be used as chemical indicators in the early detection of infestation. This experiment used a sample unit of 10 g of rice in a vial infested with 10 adults S. oryzae, observed over five weekly intervals. VOCs from the sample headspace were extracted using headspace solid-phase microextraction (HS-SPME) and then analyzed using gas chromatographic-mass spectrometry (GC-MS). The results showed a shift in VOC composition, with the peak-area abundance of aldehyde compounds originating from plants decreasing while hydrocarbon compounds originating from insects became dominant. Aldehyde compounds, for example hexanal, decreased from 3.76 × 10⁸ in the control to 1.12 × 10⁸ in the fourth week, while hydrocarbon compounds, such as 3,6-dimethylundecane, increased from 5.67 × 10⁷ to 2.82 × 10⁸. The volatile compounds that most affected changes in the VOC profile include hydrocarbon compounds with high VIP scores and positive log2FC, such as 3,6-dimethylundecane (1.68 and 2.31) and pentadecane (1.40 and 1.97), while aldehyde compounds with high VIP scores and negative log2FC values include dodecanal (1.60 and -1.60) and hexanal (1.49 and -1.79). These aldehyde and hydrocarbon compounds with high VIP > 1 and log2FC are thought to have the strongest contribution to changes in the VOC profile due to S. oryzae infestation and may be preliminary information for developing an early detection model in rice storage. However, further verification is needed, including experimental replication across several rice varieties and storage conditions.
In Memoriam: Prof. Dr. Ir. Deciyanto Soetopo, MS. Editor JEI
Jurnal Entomologi Indonesia Vol 23 No 2 (2026): July
Publisher : Perhimpunan Entomologi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

Jurnal Entomologi Indonesia (JEI) mengenang dengan penuh hormat Prof. Dr. Ir. Deciyanto Soetopo, MS., seorang peneliti dan profesor riset yang telah memberikan kontribusi penting bagi pengembangan ilmu entomologi, perlindungan tanaman, dan penelitian hama tanaman di Indonesia. Beliau merupakan bagian dari Dewan Penyunting (Editorial Board) Jurnal Entomologi Indonesia selama 2012–2025, dan dedikasinya selama lebih dari satu dekade menjadi bagian penting dalam perjalanan dan perkembangan JEI. Lahir di Surabaya pada 4 Desember 1954, Prof. Deciyanto Soetopo menempuh pendidikan sarjana dan magister di Institut Pertanian Bogor (IPB) serta meraih gelar doktor (Ph.D.) dari University of the Philippines Los Ban os, Filipina. Kepakaran beliau mencakup hama dan penyakit tanaman, Pengendalian Hama Terpadu (PHT), bioprospeksi, serta pembangunan perkebunan berkelanjutan. Sepanjang lebih dari empat dekade pengabdiannya sebagai peneliti di Kementerian Pertanian/dan Badan Riset dan Inovasi Nasional, beliau berkontribusi dalam penelitian berbagai komoditas perkebunan, antara lain lada, kelapa sawit, tebu, kapas, cengkeh, kelapa, dan tembakau. Beliau juga dipercaya mengemban berbagai posisi kepemimpinan serta terlibat dalam program penelitian dan pengembangan pertanian nasional maupun kerja sama penelitian internasional. Karya, pemikiran, dan dedikasinya telah memberikan manfaat yang luas bagi ilmu pengetahuan serta komunitas penelitian pertanian di Indonesia. Dalam kapasitasnya sebagai anggota Dewan Penyunting JEI, pengalaman dan kepakaran Prof. Deciyanto memberikan perspektif ilmiah yang berharga dalam mendukung proses editorial dan menjaga mutu publikasi. Pengabdian beliau turut memperkuat komitmen JEI untuk menghadirkan publikasi ilmiah yang kredibel, berkualitas, dan berdaya saing di tingkat internasional. Dewan Penyunting dan seluruh keluarga besar Jurnal Entomologi Indonesia menyampaikan penghargaan dan terima kasih yang mendalam atas pengabdian, dedikasi, dan kontribusi Prof. Dr. Ir. Deciyanto Soetopo, MS. Jejak keilmuan dan pengabdian beliau akan senantiasa menjadi bagian dari sejarah serta perjalanan Jurnal Entomologi Indonesia. Semoga almarhum memperoleh tempat terbaik di sisi Tuhan Yang Maha Esa, dan keluarga yang ditinggalkan diberikan kekuatan serta ketabahan. Jurnal Entomologi Indonesia, 2026

Page 44 of 44 | Total Record : 433

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