Susceptibilitya of Myzus persicae second instar nymphs to direct sprays or treated leaf discs of imidacloprid, spirotetramat, lavender (Lavandula angustifolia) and thyme (Thymus vulgaris) essential oils, linalool, and thymol.

a All 24 h exposure except spirotetramat, which was 48 h exposure.b A different solvent was needed to prepare thymol solutions. See Table 1 for details.c No significant mortality of aphids exposed to treated leaf discs at any concentration that was not phytotoxic.Susceptibilitya of Myzus persicae second instar nymphs to direct sprays or treated leaf discs of imidacloprid, spirotetramat, lavender (Lavandula angustifolia) and thyme (Thymus vulgaris) essential oils, linalool, and thymol.