Distribution of Insect Species as An Indicator for Determining Durian Tree age in Pulo Seunong Plantations, Tangse-PidieRifki Mufti, Muhammad A. Sarong, Khairil Khairil, Safrida Safrida and Muhammad SayuthiE3S Web Conf., 151 (2020) 01035DOI: https://doi.org/10.1051/e3sconf/202015101035