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You don't need insecticides or ant traps to ant-proof your kitchen. Just give it the lemon treatment. First squirt some lemon juice on door thresholds and windowsills. Then squeeze lemon juice into any holes or cracks where the ants are getting in.
A quick summary on getting rid of ants. 1  Sprinkle cayenne pepper near the source of the ants. 2  Spray lemon water solution near high-traffic ant areas. 3  Spray vinegar solution where you commonly come across ants.  Try spraying dish soap solution near the ant 1  source. Use food-grade Diatomaceous Earth.