In order to accurately monitor the happening of orchard fruit fly in large area, an orchard fruit fly monitoring system was designed based on the internet-of-things. The system is composed of intelligent fruit fly trap, monitoring terminal, remote terminal and mobile terminal. Several intelligent traps and monitoring terminals were installed into the orchard, forming a star style short-range wireless communication network. Fly happening information is gathered by the monitoring terminal and sent to either the remote terminal or the mobile termi...