Alfalfa weevils are key pests of alfalfa across the U.S. Larvae feed on the foliage, causing yield and forage-quality losses to the first and sometimes second hay cutting. These weevils can be challenging to control.

Just as thinning hair is a hazard for humans, a thin alfalfa stand is a common hazard of getting old. But thin alfalfa stands can occur in young stands as well. So what is the wisdom of overseeding alfalfa into alfalfa to improve the stand life and to correct stand deficiencies?