Results shown in Table 2 indicated that both C. aurantiumessential oil and pure limonene were toxic to B. tabaci adults. Inaddition, results revealed a dose-dependent effect expressed by the increase of insect mortalities when the concentration of essentialoil increased. Moreover, as reported in Table 3, results showed thatC. aurantium essential oil was more toxic to B. tabaci adults than waspure limonene. Indeed, the LC50values were respectively 3.97 L/Lair and 4.71 L/L air for C. aurantium and pure limonene