Aria Insecticide features a unique mode of action. Through contact and ingestion, the active ingredient in Aria stops both adult and immature aphids from feeding within one hour of treatment, and eliminates them within three to five days as a result of dehydration and starvation.Active Ingredients: Flonicamid 50.0%Insecticide Mode of Action: 29 Insecticide Class: FlonicamidEPA Signal Word: CAUTION / PRECAUCIONApplication Rate Range: (see label) Container Size(s): 5.64 Oz.