Sod webworms are moth larvae that feed on the leaves and stems of grass plants.
Gray or light-brown with black spots, they get their name from the silken tunnels
they spin in the
lawn’s thatch layer. Birds foraging in your turf may indicate that sod webworms
(or other insects) are present.
Sod webworms will feed on any turf type, though they especially prefer
Bermudagrass lawns and any type of new or very green lawn. Two to three
generations of sod webworms can hatch per year. When there are 15 or more
per square yard, damage starts appearing in the form of large, patchy areas
of grass that turn brown and die.
While insecticides can be used for sod webworm control, it’s best to try and
prevent these pests in the first place. By keeping your turf as healthy as
possible with regular maintenance, U.S. Lawns can decrease the chances of
Our irrigation management services will keep your irrigation system running at
the peak of efficiency, ensuring that your turf always gets the right amounts of water at
the right times.
By aerating and dethatching, we can keep the thatch layer (where sod webworms
live) from getting too thick. This will make your lawn less hospitable to sod webworms
while making it easier for air, water andfertilizer to reach the root system.
With regular applications of balanced fertilizer, we can supply your lawn with the
nutrients it needs for healthy growth, a strong root system and improved resistance to
Finally, by mowing often enough so that no more than 1/3 of the grass blade is removed
at a time, we can keep intact more of the green, food-producing cells needed for ongoing
Of course, U.S. Lawns will also keep an eye out for symptoms of sod webworm infestation
during our regular visits, and we will apply the appropriate treatments whenever necessary.
If you have any questions about this pest, feel free to give us a call.