With extreme cases of tropical webworm infestation you may need to replace the turf with a resistant grass mix.
From the cnn.com
But the parsnip's defenses include a natural insecticide, which limits the capacity of the webworm to inflict damage.
From the sciencedaily.com
Other hairy non-stinging caterpillars include the American dagger moth, fall webworm, woolly bear, giant leopard moth and white-marked tussock moth.
From the delawareonline.com
The larvae of the fall webworm are pale brown or gray caterpillars with long white hairs on the sides of the body arising from black and orange spots.
From the sacbee.com
Some of the most common ones are Gypsy moths, western tent caterpillars, fall webworm, redhumped caterpillar, omnivorous looper, and the fruittree leafroller.
From the toledoblade.com
Even the fall webworm, an abundant and highly polyphagous tree-feeding species that has spread from North America to Asia and Europe, does not do lasting damage to healthy hosts.
From the en.wikipedia.org
For example, the resistance of wild parsnip to webworm attack depends on when the parsnip blooms and on concentrations of certain chemical compounds with insecticidal properties found in the plant.
From the sciencedaily.com
More examples
Several gregarious moth larvae that spin webs over foliage on which they feed
Fall webworm, Hyphantria cunea, is a moth in the family Arctiidae known principally for its larval stage, which creates the characteristic webbed nests on the tree limbs of a wide variety of hardwoods in the late summer and fall. ...
Organism that spins a silk shelter in which to hide or feed.