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Zahlul Ikhsan
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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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Larvicidal Efficacy of Abamectin–Pyriproxyfen Mixtures Against Musca domestica in a Poultry Farm: A Field Evaluation Alamil Jr. , Cesar Daseco; Purnamasari, Listya; Lauron, Meriam C.; dela Cruz, Joseph F.
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.4.1.55-62.2026

Abstract

The house fly, Musca domestica, is a notorious veterinary pest that has developed resistance to insecticides. One approach to address this concern is by mixing insecticides to overcome resistance and accelerate pest management. This study was conducted to evaluate the larvicidal efficacy of the abamectin and pyriproxyfen binary mixture against M. domestica larvae, based on its ability to reduce larval populations and inhibit pupal formation. The study was conducted in the UPLB VTH Experimental Poultry House. Forty-five boxes, each containing 500 larvae, were distributed across five treatment groups, with nine replicates per treatment. The treatments consisted of distilled water (T1), low-concentration pyriproxyfen (T2), high-concentration pyriproxyfen (T3), low-concentration abamectin-pyriproxyfen binary mixture (T4), and high-concentration abamectin-pyriproxyfen binary mixture (T5). The treatments were applied to each box on days 0 and 7, and the number of live larvae and pupae was recorded on days 7 and 14. On day 7, T5 achieved the highest larval reduction of 88.49%, which was significantly higher than the other treatments. By day 14, T3, T4, and T5 exhibited comparable larval reduction with no significant differences among them. In terms of day 7 pupal inhibition, T5 had the highest inhibition at 95.75%, followed closely by T3 and T4, with no significant difference among the three. By day 14, T5 again had the highest effect at 95.26%, with T3 and T4 also showing similarly strong results. The results of this study highlight the potential of the abamectin-pyriproxyfen binary mixture as a tool in managing house fly populations. However, the lack of significant differences between the binary mixture and the high-concentration pyriproxyfen suggested that the enhanced efficacy was not substantial.
Evaluation of sowing date and insecticides for the management of viruses and insect vectors on Lentil (Lenes Culinaris Medikus) in North Shewa, Ethiopia Tewolde, Fekadu; Beyene Bitew; Berket Ali; Almnew Fantaye; Alme Belete; Yifru worku; Kalkidan Yalew; Talef Yeshitila; Safaa G. Kumari; Seid A. Kema
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.4.1.66-76.2026

Abstract

Ethiopia is the leading lentil producer in Africa, yet national productivity has been in steady decline, driven by the rapid emergence of viral diseases and severe infestations of the pea aphid (Acyrthosiphon pisum). A field experiment was conducted at Enewari North Shewa during the 2022 and 2023 main cropping seasons to identify the best options for managing emerging lentil viruses and vectors. The experiment was laid out in a Randomized complete block design with four replications. The lentil variety Derso was integrated with two insecticides (profenophos 50% EC and Dimethoate 40% EC), including an untreated check, and four sowing dates were used as treatments. Virus disease incidence and Pea aphid population were recorded, yield and yield-related parameters were collected, and data were analyzed using R software. The outcomes revealed that insecticides combined with sowing date significantly reduced aphid populations and reduced virus incidence in lentil. Minimum number of Pea aphid infestation and low virus incidence (11%) recorded when planting lentil in the first week of August and spraying Dimethoate 40 % EC two times at a 7-day interval. Whereas the maximum number of pea aphids (35) and high virus incidence (22%) were recorded on untreated checks, indicating that the level of disease controlled by controlling the vector pea aphid accounts for 50%. Again, the highest seed yield (3303 kg) was obtained by spraying Dimethoate and planting lentil in the first week of August, compared with the low yield from the untreated check (1993 kg). Hence, integrating sowing date with Dimethoate in the first week of August resulted in 69.8% yield increments over the untreated. In general, the results indicated that virus and aphid vector management can be achieved by applying Dimethoate and adjusting the sowing date for lentil crops.
Population Abundance and Infestation Intensity of Helopeltis theivora (Hemiptera: Miridae) in Cocoa Plantations of Lima Puluh Kota Regency, Indonesia Ikhsan, Zahlul; Ade Rizki Bustiar; Yaherwandi
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.4.1.77-86.2026

Abstract

Cacao (Theobroma cacao L.) is a key tropical commodity whose productivity is significantly constrained by insect pests, particularly mirid bugs such as Helopeltis theivora. This study aimed to quantify the population abundance and infestation intensity of H. theivora and to analyze their association with agroecosystem management practices in cocoa plantations of Lima Puluh Kota Regency, West Sumatra, Indonesia. Field surveys were conducted across six villages using purposive site selection followed by random sampling of plants. Pest populations were assessed through chemical knockdown and manual collection, while infestation levels were determined using standard percentage and intensity indices. A total of 206 individuals were recorded, with nymphs (63.6%) dominating the population structure. Pest abundance ranged from 0.05 to 0.35 individuals per stem. Infestation levels varied significantly across locations, with the highest infestation percentage (51.76%) and intensity (41.13%) observed in poorly managed plantations, while the lowest values (35.89% and 31.88%) occurred in well-maintained systems. Variations in pest dynamics were strongly associated with differences in sanitation, pruning, and pesticide application. The findings highlight the critical role of agroecological management and natural enemy conservation in regulating H. theivora populations. This study provides an empirical basis for developing location-specific integrated pest management (IPM) strategies to enhance cocoa productivity in tropical agroecosystems.

Page 5 of 5 | Total Record : 43

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