The green grasshopper (Oxya chinensis) is a pest that can damage leaves and reduce crop productivity. Neem leaf extract (Azadirachta indica A. Juss.) has potential as an environmentally friendly botanical pesticide. This study aimed to determine the effect of neem leaf extract concentration on the mortality and antifeedant activity of the green grasshopper and to determine the LC₅₀ and LCâ‚…