Arena and Meridian: How do they stack up?

The recent registration of the new white grub insecticides Arena (clothianidin) and Meridian (thiamethoxam) has raised many questions for superintendents: How different are they from products currently on the market? What are their advantages and disadvantages? Should I give them a try, or stick with my current program?

The active ingredients in Arena and Meridian, are close cousins of imidacloprid, which is the active ingredient in Merit, and one of the two active ingredients in Allectus. These actives are members…