The important invasive thrips species Hawaiian flower thrips, Thrips hawaiiensis (Morgan, 1913) (Thysanoptera: Thripidae) was first reported in Türkiye 2015. Since then, it has been causing damage lemon orchards. This study conducted to reveal the most effective insecticides, spraying time and efficacy of biological control. For this purpose, effectiveness five insecticides (480 g/l spinosad, 2...