Febri Yanto: Sriwijaya University (febto.febri@gmail.com) Investigation composition and materials of the termite nest in the forest Muaralabuh, West Sumatra, Indonesia Febri Yanto 1 , Ildo Muhary Putra 2 , Muhammad Yusuf 2 , M. Azinuddin Pamungkas 2 , Rendy Agustiawan 2 , Azhar Khaliq 1 Physics Department, Mathematic and Natural Science, Sriwijaya University, Indonesia 1 Geological Engineering, Engineering Faculty, Sriwijaya University, Indonesia 2 Abstract Abstract-Termites are insects that live in colonies or groups. In order to maintain the viability of the cooperation is the solution in their individual capacity. Seen at the time to build a house, to accommodate materials from the existing selection on the environment so that the combination of this material can create a building with its own composition that can accommodate termites. Retrieved termite in tropical forests, Muaralabuh City, province of West Sumatra, Indonesia. The uniqueness of this area is still a natural forest that has endemic plants and germplasm resources. This research is to present the natural conditions that existed at the termites to adapt later evolved to maintain the existence of the adaptive behavior. Termite nest samples tested with XRF, XRD, and granulometry analysis that can be known materials and property surrounding the house of termites. These results indicate the dominance of ferrous metal mineral elements which are naturally selected by termites itself as one of the constituent material of his house. Nests made more solid from ambient conditions to be able to accommodate the weather conditions in the tropical rain forest. Another benefit is to determine the natural resources contained in the area. Nests made more solid from ambient conditions to be able to accommodate the weather conditions in the tropical rain forest. Keywords Termite, Nest, Materials, Composition, Ferrous 1. Introduction ermites are a colony that have characteristics in the manufacture of nests. Termite makes its nest in the form of alleys inside wood or alleys in the soil, but in certain types of nesting termites, the honey- shaped nests with vast and extensive nest construction. The termite nest is made of clay, sand, humus and termite saliva (serves as a glue), resulting in a hard building. Inside the termite nest, built spaces with depths can reach hundreds of meters from the ground [1]. Termites nest with hard and sturdy structures built by worker caste termites. In nest it is suspected of having protein, mushroom, and vitamin content derived from the termite saliva of the worker [2]. Termite is a one group of insects that could potentially be used as a bioindicator to assess the condition of ecosystems. Termites also showed high sensitivity to environmental conditions, both biotic or abiotic that exposed them, as well as on ecosystem processes [7]. Termites have the ability to burrow to the subsoil and contribute to the development of soil profiles through bioturbation and the consequence, termite nest structures have long T