Insect Growth Regulators (IGRs) are a type of chemical that breaks the life cycle of the roach. Common active ingredients in IGRs are hydroprene, methoprene, and pyridine. Common product names are Gentrol, Nygard, Surge and Archer.
If is quite helpful in cutting down the roach population from reducing. It is very important in German roach control.
For German roach control, we suggest a high quality bait such as Invict Roach Bait to kill the current stages