Insect Growth Regulators. Insect growth regulators (IGRs) are insecticides that mimic hormones in young insects. They disrupt how insects grow and reproduce. IGRs can control many types of insects including fleas, cockroaches, and mosquitos. Although they are rarely fatal for adult insects, they can prevent reproduction, egg-hatch, and molting from one stage to the next.
Woodford County Journal - Woodford Star, Eureka, IL. 1,315 likes Â· 1 talking about this. Woodford County Journal Woodford Star 1926 S. Main St. Eureka,... Jump to
Savanna is located in Carroll County, IL. The population is 2,967, making Savanna the largest city in Carroll County. There are 2 public schools in Savanna with an average Homefacts rating of C+. The total crime rate for Savanna is moderate, and there are 8 registered sex offenders residing in the city.