Fruit fly infestation (Bactrocera spp.) represents one of the major constraints in melon production, leading to significant reductions in both yield quality and quantity. The continued reliance on chemical insecticides for pest control poses adverse environmental impacts. This community service activity aimed to enhance farmers’ awareness and technical skills in utilizing lemongrass (Cymbopogon citratus) as a botanical pesticide, as well as the application of methyl eugenol as an attractant for fruit fly control in melon fields. The program was conducted in May 2025 at the Maju Tresno II Farmer Group, Wuluhan District, Jember Regency. The activity employed a combination of lecture, demonstration, discussion, and evaluation methods. The results indicated a substantial increase in farmers’ knowledge, particularly in the use of lemongrass as a botanical pesticide (60%) and the application of pheromone traps (87%), with an average knowledge improvement of approximately 43%. Farmers actively participated in the program and showed strong interest in adopting the introduced technologies. This extension approach can serve as an effective, economical, and environmentally friendly alternative for pest management.
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