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Effectiveness of Length and Weight Growth of Tenebrio molitor L. Larvae with Plastic Waste Feeding Hashifah, Fathimah Nurfithri; Muslihah, Niken Istikhari; Khafida, Wilda; Haryanto, Trisno; Ambarningrum, Trisnowati Budi
Jurnal Biologi Tropis Vol. 24 No. 4 (2024): Oktober - Desember
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.v24i4.7665

Abstract

Inorganic waste accumulating in plastic waste, including styrofoam, which has accumulated in large quantities in waste disposal sites (TPS), is challenging to decompose into the environment. Black beetles (Tenebrio molitor) are insects that decompose inorganic waste and can decompose polystyrene waste. The presence of bacteria in the digestion of insects contributes to the decomposition of plastic waste in the form of styrofoam. This study aimed to determine how effective the larvae of T. molitor are in degrading polystyrene waste (styrofoam) through larval development from the process of nine instar stages. In order to develop more prospective larvae, the research was conducted in multiple stages, including initial maintenance and treatment as well as data gathering to test the growth of larval length. The results are known from the length of the larval body, and it is hoped that the larvae can later be used to help decompose small to large-scale styrofoam waste discharged into the environment. Larvae of T. molitor can eat inorganic materials like styrofoam and organic ones like bran. The ability to do this is demonstrated by the growth of the larvae's weight and length, with the rise in larval length in each treatment having the most beneficial result.
Keanekaragaman dan Potensial Musuh Alami Koloni Tetragonula leaviceps (Hymenoptera: Apidae: Meliponinae) Hashifah, Fathimah Nurfithri; Indraswari Suhri, Andi Gita Maulidyah; Nafisah, Nur Apriatun; Wahyudi, Christosie Immanuel
Science Tech: Jurnal Ilmu Pengetahuan dan Teknologi Vol 11 No 1 (2025): Februari
Publisher : Universitas Sarjanawiyata Tamansiswa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30738/st.vol11.no1.a17830

Abstract

This study discusses the diversity of natural enemies of Tetragonula leaviceps (stingless) bees. The natural enemies obtained act as predators, honey thieves, and nest destroyers (intruders). This research was conducted from September to November 2020 at Caping Merapi Plantation Sleman, Yogyakarta. This research uses the random sampling method in collecting species. All natural enemies that have been identified were obtained as many as 11 species of natural enemies of Tetragonula leaviceps bees. These species were identified from 628 individuals consisting of Insecta, Arachnida, and Reptilia classes. All classes are potential predators, but those that act as honey thieves and nest destroyers are only from the Formicidae family. The results of this study are expected to increase knowledge in stingless bee farming so that it can further maximise nest boxes, nest areas or habitats, and supporting plants as a source of bee food.