Sod Webworms are small caterpillars that love thatch. Sod Webworm damage starts as small yellow or brown patches in the leaf blades in lawn areas. As the caterpillars feed and grow, the patches gradually increase in size. Don't get taken over by Sod Webworms in Muskoka, Orillia, or the surrounding area, contact Turf King to take care of the problem! www.TurfKingMuskoka.com