ACELEPRYN™ is an entirely new insecticide class with a novel mode of action. A single application offers superior control of Cutworms, European Chafer larvae, Japanese Beetle larvae and Annual Bluegrass Weevil. Acelepryn combines this performance with the lowest water solubility of any grub control product and has an excellent environmental and toxicological profile. Acelepryn contains Chlorantraniliprole at a guarantee rate of 200 g/L. Read more.