ABSTRACT Fruit flies (Bactrocera sp.) are the primary pests of chili plants (Capsicum annuum L.). An environmentally friendly control solution is the use of traps combined with an attractant from eucalyptus leaf oil (Melaleuca leucadendron L.). This study aims to determine the species of fruit flies that attact chili plants and to obtain the best dose of eucalyptus leaf oil as an attractan…