Sod Web Worms

Sod web worms, a type of moth caterpillar, grow to nearly 3/4-inch long and vary in color, from pinkish-white to yellowish-brown with a light to dark brown or black head. These pests are covered in fine hairs and are most active during the spring and fall months.

Sod web worms love to rest in shrubbery during daylight hours and fly over the grass in early evening, depositing eggs on the lawn as they fly. Grasses, plants, golf courses, and ornamental turf are particularly prone to sod web worm infestations.

You can spot an infestation by looking for brown spots and raggedly chewed grass blades. Large areas of grass may be damaged severely in a matter of days.