The introduction of a novel mode-of-action acaricide to the North American market marks an important advancement in global mite management and crop protection innovation. The newly registered active ingredient, Acynonapyr, provides growers with a new solution for resistance management and sustainable pest control programs.
According to publicly available regulatory information, Acynonapyr Technical and its formulated product were officially approved for registration in Canada on April 30, 2026, for the control of tetranychid mites on pome fruits, including apples and pears.
Acynonapyr is recognized as the first active ingredient classified under IRAC Group 33, targeting calcium-activated potassium channels. This novel mode of action introduces a completely new neural target site for acaricide activity, helping diversify resistance management tools available to growers and crop protection professionals.
Mite infestations continue to pose serious challenges across a wide range of horticultural and field crops worldwide. Spider mites can rapidly reproduce under warm and dry conditions, causing leaf damage, reduced photosynthetic activity, weakened plant vigor, and ultimately yield and quality losses.
Research indicates that Acynonapyr demonstrates strong activity against spider mites across multiple developmental stages while maintaining high selectivity and limited impact on beneficial insects and natural enemies.
The commercialization of this new technology highlights the continued importance of research and development in the agrochemical sector and reinforces the industry’s focus on delivering innovative solutions for modern agriculture.


