Citronella (Cymbopogon nardus L.) is a widely used plant in medicinal and agrochemical fields due to its unique secondary metabolite, citronellal. In this study, the chemical composition of citronella stem extract and its biopesticide activity against fall armyworm (Spodoptera frugiperda) was studied. Extraction of citronella with 96% ethanol was carried out using three methods, namely maceration,...