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How to Control and Eliminate Sod Webworms

Bug Lady posted this on Oct 18, 2016

How to Control Sod Webworms in Your Lawn

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Recommendations provided by Solutions Stores

 

713-473-3345

 

So your once lush green and healthy lawn is not becoming a patchy eyesore. The culprit? It could very well be sod webworms. These destructive super-villains are attacking your precious turf and robbing it of all it’s nutrition. They have no remorse and  won’t stop until they devour every last blade of grass in your precious, green utopia.

 

Is there a way to defeat them? Must you stand by helplessly and watch as they go to town on your lawn?

 

We don’t think so. Let those buggers know that you don’t play.

 

The sod webworm has shown its presence in the coastal area of the south and has caused extensive damage to turf.  The larvae (caterpillars) will feed at night and burrow during the day.  This explains the experience of waking up to the large area of brown in your yard that seems to have happened overnight.

 

The adult stage moth is identified by the way they roll their wings. They will lay over the body when the moth is at rest, rather than holding them out as other moths do.     

 

Females will lay creamy, white eggs in small clusters.  The long caterpillars will hatch from eggs in 6 to 10 days and will develop through 7 to 8 stages over 25 to 50 days.  It will take 6 weeks to grow from egg to adult.



How To Identify a Sod Webworm Infestation

Your injured blades of grass will appear notched and zig-zagged or ragged, until the entire blade is removed.  When it is heavily infested it may die.

 

Seeing numerous low flying small moths are usually an indication that you have a Sod Webworm infestation.






How to Control  Sod Webworms:

  1. Solutions recommends using an insecticide labeled for turf application. Before applying. mow and remove the clippings to enhance insecticide movement into the turf canopy.

 

  1. Apply Reclaim I/T at a rate of up to 1oz per 2 gallons of water to cover 1,000 square feet of lawn.  Use a hose end sprayer to apply good thorough coverage.

 

  1. A thorough irrigation (1/2 to 3/4 inch) prior to application will move webworms closer to the surface.

 

  1. For best results, apply insecticides in the late afternoon or early evening when larvae are active.

 

  1. Following application, the treated area should be lightly irrigated (1/8 inch), but delay heavy watering for 24 to 48 hours, unless irrigation is indicated on the insecticide label.

 

  1. Granule applications also should be lightly irrigated immediately after application to wash granules off grass blades and activate the insecticide.  We recommend using Bifen LP Granules at a rate 1.15 lb per 1,000 square feet.



Because of the damage to the lawn, it will be susceptible to disease in the Fall. We highly recommend applying a fungicide to prevent symptoms from occurring.

Categories: Pest Control Lawn Pests
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