Management of pine forests by assessment of insect pests and nematodes Muhammad Ozair, Takasar Hussain, Adnan Aslam, Rabbisa Anees, Muhammad Tanveer and J. F. Gómez-Aguilar Eur. Phys. J. Plus, 136 9 (2021) 916 Published online: 07 September 2021 DOI: 10.1140/epjp/s13360-021-01934-7