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Tropical Sod Webworm

Actual Size: 3/4 to 1 inch long

Characteristics: Small, worm-like caterpillars that have distinct segments and ridges across their body. Most are light brown with a slightly darker, more yellow-colored head.

Legs: 6

Antennae: No

Wings: In the moth stage

Habitat: Thrives in areas with warm climates and high humidity, which is why they’re common here in Florida. They’re often found in lawns, golf courses, and other areas with plenty of turfgrass to consume.

Habits:

  • Can cause significant damage to turfgrass, especially in the larval stage.
  • Larvae often hide in silk-lined burrows beneath the soil during the day. 
  • May be present all year, but they’re most active and destructive in the summer.

Tropical Sod Webworms in McAlpin

Tropical sod webworms are a common grass pest here in McAlpin, and they’re known for causing significant damage to lawns while feeding on turf. The most destructive stage of their life cycle is the larval stage, where they consume large amounts of grass to grow into small, light-brown moths. Since tropical sod webworms are mainly active at night, most people don’t realize they have an infestation until they come across extensive damage—typically in the warmer months of the year when the webworms feed the most.

Tropical Sod Webworm Habitat

True to their nickname, tropical sod webworms prefer tropical and subtropical regions with plenty of warmth and humidity. These pests are notorious for targeting turfgrass, making lawns and golf courses their primary feeding grounds. They thrive in environments where the grass is lush and well-maintained, so they’re not just found in home gardens; they’ve even been known to target golf courses, sports fields, resorts, and other immaculately-kempt spaces. Tropical sod webworms are also most active from late spring to early fall, though they may be present in your lawn throughout the year.

Tropical Sod Webworm Behaviors, Threats, or Dangers

If you own a lawn, you probably know how destructive tropical sod webworms can be. These pests thrive in warm, humid environments where lush turf provides both food and shelter. Tropical sod webworms feed on a variety of grass species, but the end result is the same; irregular brown patches, chewed-off grass blades, and a scalped, straw-like appearance. 

While tropical sod webworms aren’t considered dangerous to human health, they certainly aren’t something you want to find in your yard. Whether you run a commercial property like a golf course that relies on turf or you just want to keep your grass looking gorgeous, Live Oak Pest Control can help you get rid of an infestation quickly.