Tropical Sod Webworm
Larva and frass in St. Augustinegrass
About Tropical Sod Webworm
Small larvae of the Tropical Sod Webworm (genus Herpetogramma) are grayish-green with dark heads and create visible frass in St. Augustinegrass, causing irregular brown patches from their feeding damage. These pests thrive in warm, humid Middle Tennessee areas like Franklin and Brentwood, where they chew grass blades near the soil surface, leading to thinning turf and weakened lawns. Early detection and targeted treatments help protect your lawn’s health and appearance.
Tropical Sod Webworm (Larva and frass in St. Augustinegrass) is a turf pest commonly found in Middle Tennessee, including Columbia, Thompson's Station, Spring Hill, and the surrounding areas. This entry is part of our Turf Pests identification guide.
As lawn care and treatment specialists, we encounter Tropical Sod Webworm regularly when servicing properties across the region. Proper identification is the first step toward effective pest management that protects both your turf and your landscape plantings.
Quick Facts
- Common Name
- Tropical Sod Webworm
- Scientific Name
- Larva and frass in St. Augustinegrass
- Category
- Turf Pest
- Region
- Middle Tennessee
