Sod webworms are also known as night-flying lawn moths. They come from several species but have similar habits.
Moths are gray or white and fly in zig zag patterns in late evening hours.
When they land, they keep their wings closed rather than spreading them like other moths. Damaged grass discolors to a brown in saucer sized patches in the hottest driest areas. At the soil level, the grass blades in damaged lawns are chewed and there will be white silky tubes containing worms at the bases. Female moths drop eggs as they fly in their zig zag pattern. The eggs then hatch into worms, which feed on rainy, cloudy days and at night on the grass blades.