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Melanie from St Johns, Florida writes

Will NyGuard kill sod webworms' larvae? Could I use it as a "pre-emergent" in North Florida on St. Augustine?

We get sod webworms every year. I would like to get them before they have a chance to emerge this year.


NyGuard IGR is not labeled to control sod webworms and does not kill anything, only prevents the young of insects listed on the label from maturing. Please read our guide on how to get rid of sod webworms for product and treatment options. 

Answer last updated on: 04/16/2021

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NyGuard IGR

NyGuard IGR

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