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Andalasian International Journal of Entomology
Published by Universitas Andalas
ISSN : -     EISSN : 30262461     DOI : https://doi.org/10.25077/aijent.1.01.41-45.2023
Core Subject : Science, Agriculture,
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology
Andalasian International Journal of Entomology (AIJENT) mainly focuses on insects in agriculture, forestry, human and animal health. Detailed scopes of articles accepted for submission to AIJENT are study of the biosystematics, biology, physiology, behaviour, ecology, pest management, conservation, medical, molecular and evolution of insect. The journal very welcomes submission from all fields of pure and applied sciences.
Arjuna Subject : Ilmu Pertanian dan Biologi (Semua) - Ilmu Serangga
Articles 43 Documents
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Monitoring Fruit Fly Species in Pumpkin Field and Detection of Melon Fruit Fly Zeugodacus cucurbitae from Infested Cucumber Fruits sigdel, Deepa; Adhikari, Debraj; Adhikari, S; Dhungana, A; Acharya, Rabin
Andalasian International Journal of Entomology Vol. 3 No. 2 (2025)
Publisher : Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/aijent.3.2.97-105.2025

Abstract

Numerous fruit fly species pose enormous threats to fruit and vegetable production worldwide, resulting in both quantitative and qualitative losses. The experiment evaluated the effectiveness of five different traps in a pumpkin (Cucurbita pepo) field located in Mahalaxmi municipality-6, Lalitpur district, Nepal, from April to June 2024. Yellow sticky trap, plastic bottle trap, bucket trap, steiner trap and plastic glass trap were used as treatments, provided with a cotton wick soaked in 0.5 ml of cue lure (except yellow sticky trap) placed at 1 m height on a standing stick in the pumpkin field. Throughout the collection, Zeugodacus cucurbitae was the most abundant, with a total of 1300 flies, followed by Zeugodacus tau, Bactrocera dorsalis, and Bactrocera nigrotibialis, respectively. In total, the highest average capture was led by the steiner trap, followed by the bucket trap, while the yellow sticky trap was the least effective. Laboratory rearing of fruit flies resulted in the emergence of a single species, Zeugodacus cucurbitae. Average pupal size was 5.67 ± 0.052 mm length, 2.15 ± 0.041 mm breadth, and weighed 14.90 ± 0.31 mg. Female adults were larger than males, measuring 7.59 ± 0.18 mm body length and 14.76 ± 0.31 mm wingspan, compared to males (6.98 ± 0.12 mm length and 14.65 ± 0.24 mm wingspan), and the ovipositor measured 1.75 ± 0.056 mm. This indicates a single species oviposits in a single fruit.
Environmental Drivers and Nutritional Impacts of Moricandia arvensis L. as a Winter Nutrition Resource for Honeybees Ali, Mahmoud; Seddik M. A
Andalasian International Journal of Entomology Vol. 3 No. 2 (2025)
Publisher : Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/aijent.3.2.120-133.2025

Abstract

Understanding the temporal dynamics of pollinator activity is critical for conserving ecological interactions in Mediterranean ecosystems, where resource scarcity intensifies during winter. This study examines diurnal and seasonal variations in bee visitation to Moricandia arvensis (Brassicaceae), a key winter-flowering species, and assesses the environmental factors influencing pollinator behavior. Over seven weeks (October–December 2023), bee visits were recorded three times daily (9:00 am, 12:00 pm, 3:00 pm) in Qena, Egypt, alongside measurements of temperature, humidity, wind speed, and atmospheric pressure. Results revealed pronounced diurnal patterns, with peak visitation at midday (12:00 pm: 21.40 ± 2.51 visits), significantly exceeding morning and afternoon rates (F = 176.32, p < 0.001). Seasonal activity declined sharply, dropping from 18.13 ± 0.51 visits/week in late October to 4.73 ± 0.20 by late November. Visitation correlated strongly with atmospheric pressure (r ≈ 0.99) and wind speed (r = 0.98–1), while temperature (r = -0.85 to -0.88) and humidity (r = -0.62 to -0.88) exhibited negative associations. Species-specific responses emerged: Andrena sp. foraged predominantly in mornings (27.00 ± 2.16 visits at 9:00 am), whereas squash bees (Peponapis spp.) peaked later (6.20 ± 1.17 visits at 12:00 pm). Pest pressures from Spilostethus pandurus and Lampides boeticus reduced floral viability, exacerbating seasonal declines. These findings underscore M. arvensis as a critical autumn resource for pollinators, bridging floral scarcity until winter. However, its utility diminishes under colder, humid conditions, highlighting vulnerability to climate shifts. Conservation strategies prioritizing arid-adapted flora, such as M. arvensis, in conjunction with integrated pest management, could enhance pollinator resilience in Mediterranean agroecosystems.
Evaluation of Diachasmimorpha longicaudata (Ashmead) (Hymenoptera: Braconidae) Parameters for Establishing A Mass Rearing on Ceratitis Capitata (Wied.) (Diptera: Tephritidae) rahal, yahia; Ahmed Mazih; Rachid Elaini
Andalasian International Journal of Entomology Vol. 3 No. 2 (2025)
Publisher : Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/aijent.3.2.80-88.2025

Abstract

The Mediterranean fruit fly, Ceratitis capitata (Wiedemann) (Diptera: Tephritidae) is one of the major fruit crop pests in Morocco and the world. The braconid Diachasmimorpha longicaudata (Ashmead) (Hymenoptera: Braconidae) is a larval-pupal endoparasitoid that can be used as a native biological control agent against this pest. In this study, several rearing parameters were controlled to optimize a profitable rearing strategy. density and quality of host larvae, 2) exposure time to parasitoids, and 3) sex ratio of parasitoids. To investigate the effect of each parameter, we concluded that the third instar of C. capitata in a proportion of 2:1 larva: female, exposed for 24h to parasitoids with a proportion of 1:1 and 2:1 female: male. These parameters demonstrate good performance, influenced by parasitism at approximately 80%, high flight ability at 88%, low pupal mortality, and high female progeny production. A diet of pure honey and water for parasitoid adults gives a high longevity of almost 70 days. Other parameters did not differ much throughout the trials. The results in our study can be used to provide a suitable protocol and environment for mass rearing of D. longicaudata as a biological control against C. capitata.
Thrips (Insecta: Thysanoptera) from the Tama Abu Range, Sarawak Yong Foo, Ng; A, Wells; A Mound, Laurence
Andalasian International Journal of Entomology Vol. 3 No. 2 (2025)
Publisher : Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/aijent.3.2.89-96.2025

Abstract

Thrips, insects of the order Thysanoptera, play key roles as crop pests, pollinators across diverse plant families, predators of other arthropods, and contributors to forest ecosystem dynamics. Despite the high diversity of thrips in tropical regions, these areas remain insufficiently studied. A survey of thrips was conducted during the Tama Abu Scientific. A total of 46 species belonging to three families were collected. The majority (50%, or 23 species) of the collected species belonged to the family Thripidae.  Aoratothrips tenuis Priesner (subfamily Panchaetothripinae) and Elaphrothrips sensitivus Priesner (subfamily Idolothripinae) had not been previously recorded from Malaysia. An annotated list of Thysanoptera collected is provided. This list is by no means exhaustive, as it is based on a limited collecting period; many further species can certainly be expected from the Tama Abu Range and its adjacent areas.
Identification and Spatial Mapping of Termite Species Distribution in Oil Palm Plantations in Timpeh Subdistrict, Dharmasraya Regency, Indonesia Alvin Niqmatull Akbar; Sri Heriza; Ikhsan, Zahlul
Andalasian International Journal of Entomology Vol. 3 No. 2 (2025)
Publisher : Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/aijent.3.2.134-143.2025

Abstract

Termites are one of the organisms that have the potential to reduce oil palm productivity, so it is necessary to identify the species and map their distribution to support more effective and sustainable management. This study was conducted to identify termite species and map their distribution in oil palm plantations in Timpeh District, Dharmasraya Regency, Indonesia. This study used a survey method with purposive sampling based on several criteria, including the presence of plant attack symptoms, air humidity ≥ 60%, the presence of rotten wood, the presence of termite nests, and the sampling location was selected in oil palm plantation areas located on the edge of local roads at a distance of about 0-15 meters. The termite samples obtained were identified morphologically using a microscope and identification keys. Termite distribution mapping was performed using ArcGIS 10.8 software, while the relationship between termite presence and environmental factors (temperature, light intensity, and humidity) was analyzed using Redundancy Analysis (RDA). The results showed that there were six termite species in Timpeh Subdistrict, namely Macrotermes gilvus, Coptotermes curvignathus, Pericapritermes mohri, Dicuspiditermes nemorosus, Nasutitermes longinasus, and Termes propinquus. The species M. gilvus has the widest distribution throughout the subdistrict and is not significantly influenced by environmental factors, but rather by its high adaptability. Meanwhile, the other species have a more limited distribution and tend to be influenced by factors such as humidity, light intensity, and the availability of organic material. The mapping results provide a crucial basis for determining priority areas for control and termite management strategies in oil palm plantations, enabling more effective and efficient approaches to be implemented.
Species Richness and Diversity of Butterflies in Nagaland, North East Region of India Patil, Yojana; Kulkarni, Shruti
Andalasian International Journal of Entomology Vol. 4 No. 1 (2026)
Publisher : Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/aijent.4.1.1-10.2026

Abstract

The Northeast region of India is a hotspot of biodiversity, boasting one of the richest butterfly diversities in the Oriental region, particularly in endemic species. The Nagaland region, located in the north-eastern part of India, is renowned for its rich biodiversity. The place has a montane ecosystem, which means the butterflies here differ from those in other mountain terrains and remain understudied. The study focuses on cataloging and monitoring butterfly species from Aug 2021 to Aug 2023 in and around Nagaland. The survey is done by the simple checklist method. Observation is done using a simple visual method; data collection is via the transect method. The transect distance range was mainly 500 m to 1.5 km along the roadside or streamside. A total of 64 species of 6 families were recorded during the study. Among 6 families, Hesperiidae (8), Lycaenidae (10), Papilionidae (11), Pieridae (9), Nymphalidae (25), and Riodinidae (1) species were found in the study area. The study shows that the region is rich in butterfly diversity but understudied and in need of updated documentation. Therefore, continuous monitoring, research, and updating are significant for conservation and for mitigating the effects of changing climatic patterns and anthropogenic activities on butterfly diversity.
DNA Barcoding and Phylogenetic Placement of Selected Freshwater Nepomorpha (Hemiptera: Heteroptera) from Southern India Based on COI Sequences Hebbal Rajendra Abhilash; Malliah Mahadevaswamy; Sylvester, Charles
Andalasian International Journal of Entomology Vol. 4 No. 1 (2026)
Publisher : Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/aijent.4.1.11-20.2026

Abstract

Aquatic Hemipterans are ecologically significant predators in freshwater ecosystems, yet species-level identification is often challenging due to morphological similarity and life-stage variation. This study employed mitochondrial cytochrome c oxidase subunit I (COI) barcoding to identify taxa and evaluate phylogenetic relationships among four freshwater bug specimens (Laccotrephes maculatus (n=1), Ranatra filiformis (n=1), Diplonychus rusticus (n=1), Notonectidae sp. (n=1)) collected from three suburban lakes in Mysore, India. Preliminary identification using taxonomic keys was followed by COI amplification, sequencing (~550 bp), and Maximum Likelihood phylogenetic analysis. Genomic DNA was extracted using the QIAGEN DNeasy Ultra Clean Microbial Kit (Cat. No. 12224-50) according to the manufacturer's protocol. The nucleotide divergence was highest in L. maculatus, followed closely by R. filiformis, and lowest in D. rusticus. Phylogenetic clustering corroborated morphological identifications, with three taxa grouping with regional conspecific isolates, while the Notonectidae specimen clustered with Kenyan isolates.  Overall, the findings demonstrate the effectiveness of COI barcoding in resolving taxonomic ambiguities and elucidating evolutionary relationships among freshwater hemipterans, highlighting its utility as a complementary tool to traditional morphology-based identification in biodiversity assessments.
Seasonal Population Fluctuation and Sex Ratio of Frankliniella occidentalis on Greenhouses Melon in Arid Southeastern of Algeria, North Africa Farid Allache; Demnati, Fatma; Sabah Razi
Andalasian International Journal of Entomology Vol. 4 No. 1 (2026)
Publisher : Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/aijent.4.1.21-30.2026

Abstract

The western flower thrips, Frankliniella occidentalis (Pergande 1895), is a polyphagous and invasive pest that causes serious damage to greenhouse crops. The present study aimed to examine the population changes, relative abundance, sex ratio, and species composition of thrips associated with melon (Cucumis melo L.) cultivated under greenhouse conditions in Garta, Algeria. Populations of F. occidentalis were monitored weekly from February to June 2017. Thrips densities increased with temperature; however, correlations with temperature (r = 0.54–0.55, p > 0.05) and relative humidity (r = 0.10–0.24, p > 0.05) were weak and not significant. Adults predominated on leaves, while larvae were less abundant (mean 7.44 per 30 leaves). High relative abundance was recorded across all sampling methods. Females largely predominated, accounting for 90.81–91.28% of adults, corresponding to a male-to-female ratio of approximately 1:9. Six thrips species were identified from the melon crop, with F. occidentalis being the dominant species. The other species included Odontothrips loti, Aeolothrips intermedius, Thrips minutissimus, Melanthrips fuscus, and Chirothrips manicatus, along with a few tubuliferous individuals. These results provide new insights into the population dynamics of F. occidentalis under arid greenhouse conditions and contribute to a better understanding of its prevalence in North African cropping systems.
Altitudinal Variation in Trap-Based Abundance of Bactrocera dorsalis in Red Chili Fields of West Sumatra, Indonesia Nguyễn, Phước Sang; Novri Nelly; Reflinaldon
Andalasian International Journal of Entomology Vol. 4 No. 1 (2026)
Publisher : Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/aijent.4.1.31-39.2026

Abstract

Altitudinal gradients strongly influence the distribution and abundance of insect pests by affecting microclimate, host availability, and cropping intensity. Bactrocera dorsalis (Hendel) is a major constraint to red chili (Capsicum annuum L.) production in Indonesia; however, empirical evidence linking altitude to its field abundance in Sumatra has not been fully elucidated. This study quantified the association between altitude and the abundance patterns of B. dorsalis using field data collected from 33 chili-growing sites across four regencies of West Sumatra, Indonesia, spanning elevations from <15 to 1,571 m above sea level, during the rainy season (October 2024-March 2025). Adult flies were monitored using methyl eugenol-baited modified Lynfield traps. Catch data were analyzed across altitudinal zones using ANOVA, correlation, and linear regression. Trap catches differed significantly among elevation categories (p< 0.05), with higher mean abundance generally recorded in pre-montane sites (>600 m) than in lowland sites (<600 m). Regression analysis indicated a positive association between altitude and trap catches (r = 0.391, p = 0.024), with altitude explaining 15.3% of the variation in abundance (R2 = 0.153), and linear regression indicated a moderate increase in captures with increasing elevation (B = 0.103). K-means clustering of regencies based on mean elevation and total trap catches further separated Solok as a distinct group characterized by higher abundance. These findings demonstrate spatial structuring of B. dorsalis abundance across elevation zones and support the incorporation of elevation-informed surveillance into fruit fly monitoring programs in West Sumatra.
Diversity of Soil Surface Arthropods in Raspberry (Rubus idaeus L.) Plantations in Cisarua, West Bandung District, West Java Province Maharani, Yani; Delvino Eka Praditya Setyadharma; Luciana Djaya; Rika Meliansyah; Muhamad Kadapi
Andalasian International Journal of Entomology Vol. 4 No. 1 (2026)
Publisher : Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/aijent.4.1.40-54.2026

Abstract

Raspberries are exotic fruits from the Rosaceae family that are in high demand among the public. Information on plant pest organisms and the diversity of arthropods associated with raspberry plants is needed to develop raspberry cultivation in Indonesia. This research aims to study the diversity of arthropods in raspberry plantations in Cisarua District, West Bandung Regency, West Java Province. The research was carried out using a survey method on land measuring 25 x 2.5 meters at an altitude of 1126 meters above sea level (masl). Sampling was carried out using yellow sticky traps, pitfall traps, knockdown methods, flying insect nets, and six direct observations. The observations yielded 1170 arthropods across 9 orders, 40 families, and 55 genera. The diversity index value is categorized as medium and tends to be high (H' = 2.99); the evenness index value is categorized as high (E = 0.75); and the dominance index value is low (C' = 0.09). Based on their ecological function, the arthropods obtained are grouped as decomposers, herbivores, natural enemies (predators and parasitoids), and pollinators. The largest group of decomposer arthropods comes from the Psychodidae family; the most herbivorous come from the Aleyrodidae family; the most natural enemies come from the Chloropidae and Araneidae families; and the most pollinators come from the Tipulidae family. The values obtained indicate the stability of the raspberry planting ecosystem, with no dominant individuals.

Page 4 of 5 | Total Record : 43

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