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All Journal Jurnal Entomologi Indonesia Jurnal Mangifera Edu 3BIO: Journal of Biological Science, Technology and Management
Intan Ahmad
Department of Biology Institut Teknologi Bandung
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Education Environmental Science Immunology & microbiology Library & Information Science Neuroscience

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Effectiveness and Public Perception of Synthetic and Natural-Based Mosquito Repellents Against Aedes aegypti in Indonesia Ahmad, Intan; Amalia, Riska; Yusmalinar, Sri
3BIO: Journal of Biological Science, Technology and Management Vol. 7 No. 1 (2025): Vol. 7 No. 1 (2025)
Publisher : School of Life Sciences and Technology, Institut Teknologi Bandung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.5614/3bio.2025.7.1.1

Abstract

Since 1968, dengue fever cases in Indonesia have persisted despite various vector control efforts. One of the most common and accessible methods of personal protection is the use of mosquito repellents. This study evaluated public perceptions of mosquitoes and repellents, their willingness to pay (WTP) for these products, and the efficacy of synthetic and natural-based repellents against Aedes aegypti, considering variations in mosquito strain and age. A Knowledge, Attitude, and Practices (KAP) analysis was conducted to assess public understanding and behaviors, utilizing the Analytical Hierarchy Process (AHP) and SWOT-AHP. Repellent efficacy was tested using the arm-in-cage method based on WHO guidelines, involving four mosquito strains (BORA, BDG, TSK, TGR) and three age groups (5, 10, 15 days). The KAP analysis revealed high public awareness but limited translation into effective practices due to differing perceptions and low personal responsibility for dengue prevention. Natural-based repellents were preferred, scoring 3.40 out of 5, with WTP ranging from IDR 20,000–40,000. However, only synthetic repellents containing DEET provided 90% protection for six hours, while natural-based repellents offered less than 60% protection in the first hour. Strain variation significantly affected repellency, with TSK showing the highest repellency, while BORA and BDG exhibited similar trends. Although 10-day-old mosquitoes were more sensitive to repellents, age variation did not consistently influence repellency. These findings highlight the need for improved education campaigns, tailored repellent formulations, and localized testing to enhance public protection against mosquito bites and dengue transmission.
The cells at work animation improves students' analytical skills in learning the circulatory system Syadella, Femi; Ahmad, Intan; Hizqiyah, Ida Yayu Nurul; Gurnita, Gurnita
Jurnal Mangifera Edu Vol 10 No 1 (2025): Jurnal Mangifera Edu
Publisher : Universitas Wiralodra

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31943/mangiferaedu.v10i1.224

Abstract

Analytical skills are one of the essential skills that high school students must possess and are listed in the curriculum. Analytical skills are included in category C4 in Bloom's taxonomy. However, many students still lack this ability. This is influenced by several factors, one of which is the type of learning media. This study aims to evaluate the effectiveness of the Cells at Work animation as a learning medium for biology, with a focus on the material related to the circulatory system. The method used is a pre-experimental design with a one-group pre-test-post-test model, conducted on class XI- MIPA 5 students at SMA Pasundan 2, Bandung. The results of the study showed that this animation media makes it easier for students to understand the material due to its attractive visual and audio displays. This can be seen from the increase in the average student score, namely from 56 at the pre-test to 83 at the post-test, with the percentage of mastery of all indicators reaching 83%. Thus, the Cells at Work animation is effective for use as a learning medium in biology, especially for material related to the circulatory system. This study provides empirical evidence that animated media with contextual content, such as Cells at Work, can significantly enhance analytical thinking skills in science learning, particularly for complex topics like the circulatory system.
Decrease in the resistance level of Blattella germanica (Linnaeus) (Blattodea: Ectobiidae) to insecticides after being reared without selection pressure for ten years: Penurunan tingkat resistensi Blattella germanica (Linnaeus) (Blattodea: Ectobiidae) terhadap insektisida setelah dipelihara tanpa tekanan seleksi selama sepuluh tahun Dini, Putik Van; Hariani, Nova; Yusmalinar, Sri; Jane, Erfanus; Ahmad, Intan
Jurnal Entomologi Indonesia Vol 20 No 1 (2023): March
Publisher : Perhimpunan Entomologi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.5994/jei.20.1.40

Abstract

This study aims to investigate changes in resistance to insecticides over a ten-year period in five strains of German cockroaches, Blattella germanica (Linnaeus), which had previously shown resistance to deltamethrin, propoxur, and fipronil in 2012. The five strains were reared in a laboratory without exposure to insecticides for ten years. In 2022, they were tested for resistance to the same insecticides using a topical application method. The resistance ratio (RR50) was calculated for each strain to determine the level of resistance to each insecticide. The study found that German cockroaches, initially resistant, became less resistant or even susceptible after being reared in a laboratory without insecticide exposure for over ten years. This decrease in resistance was observed in all strains, but the reduction pattern varied, apparently influenced by the type of insecticide.  For instance, the MDN2 strain, which initially had a very high level of resistance (RR50: 1019.74 -fold) to deltamethrin, became susceptible (RR50: 1 -fold). Similarly, the ACH2 strain, initially classified as highly resistant to propoxur (RR50: 48.64 -fold), and the strain with high resistance (RR50: 12.21 -fold) to fipronil, both became susceptible. The study also discussed potential mechanisms for the decrease in resistance, including reduced frequency of resistance genes and fitness costs. The findings suggest that rearing German cockroaches in a laboratory without insecticide treatment can lead to a decrease in resistance to commonly used insecticides. These findings can be used to develop more effective methods for controlling German cockroaches.
Polimorfisme Tawon Vespid (Hymenoptera; Vespidae) Asal Indonesia Dengan Morfologi Berbasis Cladistic: Polimorfisme tawon vespid (Hymenoptera: Vespidae) asal Indonesia dengan morfologi berbasis cladistic Ramadhila, Yelsha; Nugroho, Hari; Jane, Erfanus; Ahmad, Intan
Jurnal Entomologi Indonesia Vol 20 No 2 (2023): July
Publisher : Perhimpunan Entomologi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.5994/jei.20.2.101

Abstract

Wasps in the family of Vespidae often have a yellowish black color with white or brown markings, but some species have variations in their markings and coloring. There is limited information available about the distribution of these marking patterns within the Vespidae Family. To clarify their taxonomic status, this study aims to examine the marking patterns of Vespid wasps that are widely distributed in the Indonesian Archipelago and to explore correlations with their biogeographical distribution patterns. In this study, specimens from three different locations (Bandung, Sumedang, and Purworejo) and specimens from the Museum Zoologicum Bogoriense (MZB) were examined. A total of 31 individuals from five different species were analyzed based on their morphological features. The data collected was coded and analyzed using cladistic methods, and the results were used to create cladogram trees for each of the five species i.e., Phimenes flavopictus, Polistes stigma, Apodynerus troglodytes, Vespa affinis, and Vespa velutina, showing their biogeographical distribution. The cladistic analysis in this study showed the relationships between the different species based on their morphological characteristics. The arrangements of the clades were determined using the Euclidean method in R studio. The results showed that P. flavopictus has two clades based on the marking patterns on their thorax and abdomen, while the other species i.e., Po. stigma, V. affinis, V. velutina, and A. troglodytes have three clades based on their coloring and marking patterns on all segments. The distribution of the Vespidae species appears to be scattered, with their patterns randomly distributed among locations.
Co-Authors Dini, Putik Van Gurnita, Gurnita Hari Nugroho Ida Yayu Nurul Hizqiyah Jane, Erfanus Nova Hariani Ramadhila, Yelsha Riska Amalia Syadella, Femi Yusmalinar, Sri