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ThisOldHouse.com: How to Deal With Common Lawn Problems

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Problem: Sod Webworm

Symptoms: Irregular dead spots caused by small gray or tan caterpillars feeding on grass blades. You may also see zigzagging moths at night. Confirm the presence of webworms by soaking a small area with soapy water (two tablespoons of dish soap in a gallon of water). They'll come to the surface in about 10 minutes.

Solution: Aerate to reduce thatch. Treat with appropriately labeled insecticide. Bacillus thuringiensis (Bt) is an effective organic control.

(Photo: Mercer Pest Control, Inc/ The Bugslapper)
thisoldhouse.com




The opinions expressed are solely those of the author and do not necessarily reflect the views of Comcast.

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