An Insect Growth Regulator (IGR) is a chemical hormone that alters an insect’s life cycle. Typically, the insect’s life cycle is disrupted, and as such, most IGRs are considered to be pesticides, subject to regulation by the EPA.
An Insect Growth Regulator (IGR) is a chemical hormone that alters an insect’s life cycle. Typically, the insect’s life cycle is disrupted, and as such, most IGRs are considered to be pesticides, subject to regulation by the EPA.