Hi, my lawn is full of sod worms and has just been treated with pesticide about 10 days ago, however, last night i saw lots of lawn moths hovering over the lawn and i need to know what to use to get rid of them before they lay their eggs again. do i have to use a different pesticide for the lawn moth ? will i need to apply the sod worm pesticide again ? please advise, thanks, lesley
If you review our SOD WEBWORM article, you’ll learn you should use two main products. First, apply the BIFEN GRANULES and then second, the CYONARA RTS over the top of the granules. So at this point if the previous treatment included granules, you should be okay on that front. If not, get them down now. They’ll go to work down in the soil killing off active larvae or any that hatch from now until winter sets in.
Next, since the moths will be active for the next 1-2 months looking for a place to lay eggs, you should respray as needed. Typically this will be once a week for a few weeks for infested yards. But after a few weeks, the activity should slow at that point, once every 2 weeks should be enough. Unfortunately there is no way to kill the hatching pupae which will be emerging daily and if enough are hatching, you’ll keep seeing new moths. Don’t let them have a chance at laying eggs and by spraying weekly, you can keep this activity minimized.
Lastly, it would be wise to apply the granules once a month next spring and summer so they don’t come back.
More information on this pest can be found here:
Sod Webworms: https://bugspray.com/sod-webworms.html
Here are direct links to the information and products listed above:
Bifen Granules: https://bugspray.com/catalog/insecticide/granule/bifenthrin-g-25-lb
Cyonara RTS: https://bugspray.com/catalog/insecticide/liquid/cyonara-32-oz-rts
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