What is the best insecticide for sod webworms?

The natural, soil dwelling bacterium Bacillus thuringiensis or Bt-kurstaki is particularly effective on webworms. Use the easy-to-apply liquid spray (1 Tbsp/ gallon) to hit pests and protect your turf at the first signs of damage.

What time of year do you treat sod webworms?

The best time to treat cutworm and sod webworm infestations is when they are very young, before severe damage occurs. By early fall they will begin to transform into adults and will be much more difficult to control. There are several applications available to help manage these insects.

Will lambda cyhalothrin kill sod webworms?

Control sod webworms by applying bifenthrin (Onyx, Talstar), carbaryl (Sevin), deltamethrin (DeltaGard), halofenozide (Mach 2), lambda-cyhalothrin (Scimitar), spinosad (Conserve), or trichlorfon (Dylox) to the turf, usually as a liquid, and allowing it to dry on the grass blades to poison the sod webworm larvae when …

When to get rid of sod webworms in your lawn?

Sod webworm control is focused on the larva and not the adult moths. Learn how to get rid of sod webworms for a healthier and greener lawn. The first signs of sod webworm feeding are found in spring. The chewing activity of the worms removes the tender top growth of the grass and leaves behind thin patches of shorter grass.

Where do sod worms live in the ground?

Sod webworms live in the thatch, just above the soil, where they spin a light webbing and feed on the undersides of leaves. Damage first appears as small, ragged brown spots in the turf.

What are the tropical sod web worms in Florida?

Tropical sod webworms are part of a pest complex of warm season turf caterpillars in Florida that include fall armyworm (Spodoptera frugiperda), striped grass loopers (Mocis spp.), and the fiery skipper (Hylephila phyleus).

When do you know you have web worms in your lawn?

Learn how to get rid of sod webworms for a healthier and greener lawn. The first signs of sod webworm feeding are found in spring. The chewing activity of the worms removes the tender top growth of the grass and leaves behind thin patches of shorter grass. As they grow, the webworms cause larger areas of brown sod.