moths in lawn

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liknitter
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moths in lawn

Post by liknitter » Tue Sep 27, 2011 3:19 pm

When mowing the lawn, there are a lot of tan colored moths that fly up...
laying eggs? spring grubs? anything to do now? :(

lorijones
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Re: moths in lawn

Post by lorijones » Fri Oct 07, 2011 3:35 pm

These moths are most likely the adults of the sod webworm. The adult moths will fly up out of the grass when the lawn is mowed. The damage to the lawn (brown patches) is done by the larvae (webworms) which chew on the grass blades right above ground level, basically scalping the lawn. Are you noticing brown patches in your lawn? This could be damage from the webworms. Control them by controlling the larval (webworm) stage. Now is not the best time to do this.
Webworms are easiest to kill them when they are small, soon after they hatch. When you see the adults flying over the lawn, they are dropping eggs onto the lawn. Peak egg laying times are in June and August. The time to spray is about 2-3 weeks after you see the adult moths flying over the lawn. That's when the larvae are just hatching and most vulnerable to insecticides. It's a good idea to mow and water the lawn the day before you treat it and when you spray, spray as late in the day as possible because the webworms leave their burrows and become active and feed in the evening.
Bonide Captain Jacks Deadbug Brew Ready-to-Spray (hose-end sprayer) or Bonide Eight Yard & Garden Ready-to-Spray are both listed for control of sod webworms. Be sure to read and follow the label directions.

ruxukegaj
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Re: moths in lawn

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