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How long does it take for the Insect Growth Regulator (IGR) bait to work?

April 26, 2017bait growth igr insect regulator

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How long does it take for the Insect Growth Regulator (IGR) bait to work?

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IGR baits sterilize the queen and do not allow for the development of new ants. The queen continues to lay sterile eggs and the workers continue to bring food. The workers live for about 3 weeks, then there may be a few that develop into workers from unsterilized eggs. These ants will also live for another 3 weeks, but there will be no workers from the sterilized eggs and the queen will starve.