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Akram, Ahdiatsa Hairi
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Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Immunology & microbiology

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Parasitoids and Predators as Biological Agents against White Stem Borer (Scirpophaga innotata) Arum Dewi, Pervitara; Wahyuni, Srilah Nora; Ilwati, Uun; Akram, Ahdiatsa Hairi; Sarjan, M.
Jurnal Biologi Tropis Vol. 24 No. 3 (2024): July - September
Publisher : Biology Education Study Program, Faculty of Teacher Training and Education, University of Mataram, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jbt.v24i3.6976

Abstract

One of the primary challenges in rice cultivation is the disturbance caused by pest infestations. Among the pests that frequently cause damage to rice plants is the white rice stem borer (Scirpophaga innotata). The life cycle of Scirpophaga innotata comprises egg, larva, pupa, and adult stages. This article is based on a literature review and discusses the natural enemies most commonly encountered at each stage of the Scirpophaga innotata life cycle. The findings of this article can be summarized as follows: Natural enemies of the white rice stem borer during the egg stage include parasitoids such as Trichogramma japonicum Ashm., Tetrastichus schoenobii, and Telenomus rowani, as well as the predator Conocephalus sp. During the larva-pupa stage, parasitoids such as Apantheles sp., Bracon sp., Tropobracon sp., and Temelucha bigutella are present, along with predators like Miscrapis crocea and Harmonia octomaculata. Regarding the adult stage, parasitoids were not found to be natural enemies of adult S. innotata. However, the most commonly encountered predators include Coccinella transversalis (Thunberg) and Paederus sp.
The Potential of Natural Enemies as Biological Control Agents for Various Pests on Water Spinach (Ipomoea aquatica F.) Wahyuni, Srilah Nora; Ilwati, Uun; Akram, Ahdiatsa Hairi; Dewi, Pervitara Arum; Sarjan, Muhammad
Jurnal Biologi Tropis Vol. 24 No. 3 (2024): July - September
Publisher : Biology Education Study Program, Faculty of Teacher Training and Education, University of Mataram, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jbt.v24i3.6996

Abstract

Arthropods have the potential as biological control agents for various pests in kale plants. Some arthropod species have potential as natural enemies for biological control of plant pests due to their abundance and availability in the ecosystem. Some natural enemy arthropods consist of insects and spiders. Natural enemies found in the location of West Lombok District, NTB act as predators and parasitoids of pests on kale plants. The number of orders found were Araneae, Coleoptera, Hemiptera, Odonata and Hymenoptera. Four orders act as predators and one order, Hymenoptera as parasitoids. Natural enemy arthropods found that have the potential as natural enemies of pests in kale plants were found as many as 10 species, namely Argiope catenulate, Cicurina sp.., Oxyopes attenuates, Lepthypanthes tenuis, Cheilomenes sexmaculata, Coreus Marginatus, Leptoglossus occidentali sp., Onychogomphus forcipatus, Agriocnemis pieris, and Doryctobracon areolatus. While in Ogan Ilir District, South Sumatra, 1 species was found that acts as a natural enemy of the Hemiptera order, Gonocerus acuteangulatus.
Effectiveness of Various Botanical Insecticides for Controlling Liriomyza sp. Pests Akram, Ahdiatsa Hairi; Sudarmawan, A.A. K; Sudantha, I Made
Jurnal Biologi Tropis Vol. 24 No. 2b (2024): Special Issue
Publisher : Biology Education Study Program, Faculty of Teacher Training and Education, University of Mataram, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jbt.v24i2b.8161

Abstract

The use of botanical insecticides presents a promising alternative for controlling Liriomyza sp. pests, which often damage horticultural crops. This study examines the effectiveness of various botanical insecticide materials, such as extracts from neem leaves, tobacco, and other plants containing bioactive compounds like alkaloids and terpenoids. Literature reviews indicate that botanical insecticides work through mechanisms such as feeding inhibition, growth disruption, and increased pest mortality, demonstrating effectiveness comparable to synthetic insecticides. Factors such as concentration, application methods, and environmental conditions influence the efficacy of botanical insecticides. In addition to being environmentally friendly, botanical insecticides offer advantages such as rapid biodegradability and safety for non-target organisms. However, challenges such as low compound stability and the need for more frequent applications remain significant limitations. This study highlights the importance of farmer training to enhance the adoption of this eco-friendly technology in sustainable agricultural practices.
Co-Authors Arum Dewi, Pervitara Dewi, Pervitara Arum I Made Sudantha Ilwati, Uun M. Sarjan, M. Muhammad Sarjan Sudarmawan, A.A. K Wahyuni, Srilah Nora