Effects of insecticides applied preventatively on root mealybug (Rhizoecus sp.) (± SEM) feeding on reflexed stonecrop (Sedum rupustre) or stonecrop (S. montanum) 33 days after application (DAT; ANOVA α=0.05) during the second field trial in 2018. Treatments with different letters are significantly different (Tukey HSD, α=0.05). Treatments were: Flonicamid (Aria); Flupyradiflurone (Altus).