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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 7 Documents
 1 
Search results for , issue "Vol 22 No 2 (2025): July" : 7 Documents clear
The effect of alternative feed on the growth of Bombyx mori L. in Renggeang Village, Polewali Mandar Regency, West Sulawesi, Indonesia: Pengaruh pakan alternatif terhadap pertumbuhan Bombyx mori L. di Desa Renggeang, Kecamatan Polewali Mandar, Sulawesi Barat, Indonesia Nurdin, Muhammad Rizaldi Trias Jaya Putra; Hasan, Phika Ainnadya; Putera, Alexander Kurniawan Sariyanto; Isdaryanti; Rahman, Sari Rahayu; Nursyamsi SY
Jurnal Entomologi Indonesia Vol 22 No 2 (2025): July
Publisher : Perhimpunan Entomologi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.5994/jei.22.2.61

Abstract

Mulberry (Morus sp.) is the primary feed for silkworms (Bombyx mori L.) and determines cocoon quality. However, limited land availability and seasonal changes pose challenges for a consistent mulberry leaf supply, prompting research into alternative feeds. This study aimed to evaluate the effects of alternative feeds on the growth of B. mori, including the length and width of silkworms, the number of live and dead silkworms, and the feed consumption of silkworms. A total of 500 silkworms were divided into six treatments with three replicates each. The treatments were mulberry leaves (K), castor leaves (P1), cassava leaves (P2), broiler chicken feed (P3), castor and mulberry leaves combination (P4), cassava and mulberry leaves combination (P5), broiler chicken feed and mulberry leaves combination (P6). Combined feeds were given at a 1:1 ratio. The results confirmed that B. mori exclusively feeds on mulberry leaves, as no silkworms survived  on P1, P2, or P3 treatments. All combination feed treatments (P4, P5, P6) showed that silkworm growth results were not significantly different from the control treatment (K). Therefore, we recommend using all combination feeds as an alternative feed in B. mori cultivation. However, the best combination feed treatment was shown by P6 with the highest silkworm length and width (3.69 cm; 0.57 cm) and the highest feed consumption (44.16 grams), and P5 with the highest percentage of survival rate (75%) and the lowest percentage of death rate (25%).
Pertumbuhan dan perkembangan ulat grayak jagung (Spodoptera frugiperda Smith) dengan pakan buatan berbahan dasar kedelai (Glycine max L.): Growth and development of fall armyworm (Spodoptera frugiperda Smith) with soybean-based artificial diet (Glycine max L.) Istiqomah Desi, Isti; Kustiati, Kustiati; Hernowo, Kukuh
Jurnal Entomologi Indonesia Vol 22 No 2 (2025): July
Publisher : Perhimpunan Entomologi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.5994/jei.22.2.69

Abstract

The fall armyworm (Spodoptera frugiperda Smith) is an invasive pest of corn crops in Indonesia. The development of S. frugiperda rearing techniques based on artificial feed is important to support various research projects on this species. This study aims to study the growth and development of S. frugiperda using soybean-based artificial feed (Glycine max L.). The study utilized first-instar larvae of S. frugiperda adults obtained from the Rasau Jaya Village Corn Farm. A total of 800 larvae were used to obtain accurate and representative data on the insect’s development. The variables observed included several important aspects, such as the survival rate at each stage (from larva to adult), growth morphometry at the sixth instar larva and pupa stages to understand changes in body size and shape, the duration of each stage to determine the length of each developmental phase, and the sex ratio to determine the proportion of males and females in the population. The survival rate data of S. frugiperda imagoes obtained were then analyzed using Microsoft Excel 2013 and presented descriptively to provide a clear and detailed overview of the research results. The research results showed that the survival rate of S. frugiperda at each growth stage averaged above 75%. The lifespan of the larval stage was 12.80 ± 1.00 days, the pupal stage was 7.80 ± 0.77 days, and the female imago (9.55 ± 2.42 days), while the male (7.39 ± 1.77 days). The sex ratio of males to females is 1:1.02. These results indicate the excellent potential of soybean-based artificial feed as the primary diet for maintaining S. frugiperda in the laboratory.
Evaluasi toksisitas insektisida sintetik terhadap lebah Tetragonula laeviceps Smith: Ancaman bagi penyerbuk di pertanian: Toxicity evaluation of synthetic insecticides on Tetragonula laeviceps Smith: Threats to pollinators in agriculture Mubin, Nadzirum; Dewanthi, Syifa Aiko; Audia, Bela Hasna
Jurnal Entomologi Indonesia Vol 22 No 2 (2025): July
Publisher : Perhimpunan Entomologi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.5994/jei.22.2.92

Abstract

Stingless bees (Tetragonula laeviceps Smith) play a crucial role as pollinators in agricultural ecosystems, but their populations are increasingly threatened by synthetic insecticide uses. This study aimed to evaluate the effects of five insecticides on T. laeviceps through topical, residual, and oral applications, both individually and in combination with the adjuvant Agristik 400 L (AG). The tested insecticides included indoxacarb, chlorfenapyr, indoxacarb + chlorfenapyr, flupyradifurone, and abamectin + acetamiprid. The results showed that all insecticides caused 100% mortality at the recommended concentrations. Flupyradifurone had the lowest LC50 values (0.35 ppm for topical application, 0.73 ppm for residual, and 0.94 ppm for oral), indicating the highest toxicity compared to other insecticides. The addition of adjuvants significantly increased insecticide toxicity, especially in residual and oral applications. Unwise insecticide use poses a serious risk to pollinator populations and agricultural ecosystems. Therefore, insecticide application should consider plant flowering phases to minimize its impact on bees, and sustainable pest management strategies should be promoted to ensure environmental balance and agricultural productivity.
Efektivitas ekstrak nilam (Pogostemon cablin) dengan tiga metode ekstraksi dan cara aplikasi terhadap hama gudang Tribolium castaneum (Herbst): The effectiveness of patchouli (Pogostemon cablin) extract using three extraction methods and application techniques against the storage pest Tribolium castaneum (Herbst) Alfina Dellachristi, Veronica; Dadang; Sakti Harahap, Idham
Jurnal Entomologi Indonesia Vol 22 No 2 (2025): July
Publisher : Perhimpunan Entomologi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.5994/jei.22.2.81

Abstract

The infestation of Tribolium castaneum (Herbst) (Coleoptera: Tenebrionidae) results in the reduction of flour weight, changes in flour color, and a musty odor in stored materials. One alternative control method is using patchouli extract (Pogostemon cablin), which has insecticidal activity. The extraction methods and the application techniques in controlling storage pests influence the effectiveness of the extract as a botanical insecticide. The study aims to examine the differences in yield, composition, content, toxicity, and repellency levels of patchouli extracts obtained using various extraction methods for controlling T. castaneum. The study employs three patchouli extraction methods: maceration, steam-water distillation, and ultrasonic extraction. Three application techniques are used in this study: fumigation, topical and residue. The observed variables include the content and composition of the extraction yield, toxicity levels, and repellency levels. Data analysis is performed using probit analysis to determine LD/LC50 and LD/LC95, and ANOVA at 5% level, followed by Tukey’s test. The research results indicate that the extraction method assisted by ultrasonic waves yields the highest extraction yield. However, patchouli extract obtained through the distillation method exhibits the highest toxicity effects when applied with topical and residue techniques. The LC50 and LC95  values of patchouli extract obtained via distillation are 0.804% and 1.541% while the LD50 and LD95 values are 49.140 μg/imago and 135.729 μg/imago. The main compounds found in patchouli extract obtained through distillation are patchouli alcohol, α-guaiene, δ-guaiene, and seychellene. Patchouli extract obtained through distillation has the potential to act as a contact insecticide and repellent against T. castaneum.
Local factors dominantly influence citrus red mite (Panonychus citri (McGregor)) population over landscape factors in Indonesian citrus orchards: Faktor lokal lebih dominan mempengaruhi populasi tungau merah jeruk (Panonychus citri (McGregor)) daripada faktor lanskap pada pertanaman jeruk di Indonesia Salamah, Luklu Is; Rizali, Akhmad; Puspitarini, Retno Dyah
Jurnal Entomologi Indonesia Vol 22 No 2 (2025): July
Publisher : Perhimpunan Entomologi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.5994/jei.22.2.105

Abstract

The citrus red mite Panonychus citri (McGregor) is a major pest that can reduce the quality and yield of citrus crops. However, information regarding the local and landscape factors that influence its population dynamics remains limited. This study aimed to analyse the influence of local and landscape factors on citrus red mite population density. The research was conducted in nine citrus orchards in Malang, East Java, Indonesia. Data collected included local factors (pesticide application frequency and plant canopy density) and landscape factors (landscape composition, encompassing the number of patches (NP) and class area (CA) of semi-natural habitats). Pesticide application frequency data were obtained through farmer interviews, while canopy density was measured using a photographic method and analysed with ImageJ2 software. Landscape composition data were by digitizing land-use types within a 500-meter radius of the plot center using QGIS software and subsequently analysed using LecoS (QGIS add-ins) to obtain the NP and CA of semi-natural habitats. The generalized linear  model (GLM) analysis indicated no overall significant influence of both local and landscape factors on P. citri population density. However, it was found that the variation in mite population density was significantly influenced by citrus plant canopy density. These findings suggest that local factors, particularly the canopy microhabitat conditions, are more critical in affecting the P. citri population compared to landscape factors. Therefore, the management strategy for citrus red mite should be focused on the local, on-farm scale.
Model produksi massal parasitoid Anagyrus lopezi (De Santis) (Hymenoptera: Encyrtidae) menggunakan kutu putih Phenacoccus manihoti Matile-Ferrero di laboratorium: Mass production model of the parasitoid Anagyrus lopezi (De Santis) (Hymenoptera: Encyrtidae) using the mealybug Phenacoccus manihoti Matile-Ferrero in the laboratory Wasik, Muhammad Alimun; Dewi Sartiami; Ali Nurmansyah
Jurnal Entomologi Indonesia Vol 22 No 2 (2025): July
Publisher : Perhimpunan Entomologi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.5994/jei.22.1.114

Abstract

Anagyrus lopezi (De Santis) (Hymenoptera: Encyrtidae) is a specific parasitoid that plays an important role in the biological control of the cassava mealybug Phenacoccus manihoti Matile-Ferrero (Hemiptera: Pseudococcidae). Successful large-scale biological control requires the availability of this parasitoid in sufficient quantities through optimal and efficient mass production. This study aims to develop a mass production model for A. lopezi, taking into account mass rearing methods and the economic aspects of mass production. The experiment consisted of four treatments, namely 3, 6, 9, and 12 cassava cuttings of Manggu variety aged 2 weeks per cage measuring 75 cm × 50 cm × 50 cm. Each cutting was infested with 120 third-instar P. manihoti nymphs and four 2-day-old female A. lopezi obtained from laboratory rearing. Increasing the number of cuttings had a significant effect on the number of mummies produced, with the highest production achieved in the 9-cutting treatment (742.2 ± 12.21 mealybug mummies). The sex ratio of parasitoid progeny (1:2.21) was dominated by females, accounting for 68.91%. The production cost estimation included tools, materials, and labor wages. The total production cost per cage was IDR 48,425, with a cost per mummy of IDR 65. These findings provide technical and economic foundations for developing efficient and sustainable mass production systems of A. lopezi to support P. manihoti biological control programs in cassava plantations.
Tree islands memengaruhi interaksi tritrofik antara tanaman, herbivor, dan parasitoid pada habitat perkebunan sawit di Desa Bungku, Jambi, Sumatra: Tree islands alter tritrophic interactions among plants, herbivore, and parasitoids in oil palm habitats in Bungku Village, Jambi, Sumatra Permatasari, Gusthi Ayu; Hidayat, Purnama; Kasmiatun; Azhar, Azru; Buchori, Damayanti
Jurnal Entomologi Indonesia Vol 22 No 2 (2025): July
Publisher : Perhimpunan Entomologi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.5994/jei.22.2.126

Abstract

Tritrophic interactions refer to interactions among three trophic levels within a community (producers, herbivores, and carnivores). In oil palm ecosystems, these three trophic levels consist of (1) vegetations, (2) Lepidopterans as herbivores, and (3) Hymenopterans and some of Dipterans as carnivores. Vegetation complexity often influences trophic levels within the food web. This study aimed to investigate the influence of tree island in oil palm plantation on tritrophic interaction, parasitism and abundance of natural enemies. The research was conducted in oil palm plantations which had been enriched with several tree species to form tree islands. Six tree species Peronema canescens, Shorea leprosula, Dyera polyphylla, Parkia speciosa, Archidendron pauciflorum, and Durio zibethinus  were planted in different combinations within  plots of various sizes (5 m × 5 m, 10 m × 10 m, 20 m × 20 m, and 40 m × 40 m). There were three enrichment combinations within the tree islands, i.e., one plant species, six plant species, and control (without enrichment). The results showed that adding tree species in oil palm plantations influenced herbivore species richness and increased the presence of generalist parasitoids. The parasitism rate of Lepidoptera pests was affected by the tree species planted but not by the number of tree species. Parasitoid abundance was not affected by the number of tree species. Overall, this study indicated that the tree islands might increase the complexity of food webs; however,it was not necessarily followed with increased parasitoid abundance nor functional role in oil palm plantations.

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