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Watch Zone β€” Confirmed 2025

Spotted Lanternfly inRichland County, SCSPOTTED LANTERNFLY GUIDE

Confirmed
2025
Population Served
416,000
Status
Watch Zone

Richland County is the heart of the Columbia metro and a major inland freight hub where I-20 and I-26 intersect β€” corridors that carry cargo directly from SLF-infested zones in the Mid-Atlantic and down the I-85 spine. As the state capital, Columbia hosts significant government, university, and military traffic from across the country, elevating the risk of accidental SLF introduction via vehicles or shipped goods. Fort Jackson, the U.S. Army's largest basic training installation, generates enormous personnel and equipment movement from quarantine states year-round. The Congaree River corridor and Broad River margins provide riparian Tree of Heaven habitat that could sustain SLF populations once introduced. SC Dept of Agriculture considers Richland County a priority watch zone given its role as a regional transportation and logistics hub.

Highest activity zones

SLF Hotspots in Richland County, SC

1

Columbia

Active zone

2

Forest Acres

Active zone

3

Cayce

Active zone

4

Dentsville

Active zone

5

Blythewood

Active zone

Primary SLF food source

Tree of Heaven in Richland County, SC

Tree of Heaven is present along the I-20/I-26 freight corridor through Columbia and Cayce, along CSX rail lines through Dentsville and Blythewood, and along the Congaree and Broad River riparian margins. The I-77 corridor north toward Blythewood has increasing Ailanthus presence on road margins and utility rights-of-way, and the Fort Jackson perimeter and surrounding suburban edges represent additional monitoring targets.

Identify Tree of Heaven β†’

Local action resources

What To Do in Richland County, SC

Report a Sighting

Every sighting in Richland County, SC maps the invasion front. Report directly to SC Dept of Agriculture.

Report Now β†’

Squish on Sight

See a spotted lanternfly? Kill it immediately β€” it is legal and encouraged in all states. Learn the best kill methods.

Full Fight Guide β†’

Map ToH in Your Block

Tree of Heaven removal cuts off SLF food supply. Add ToH sightings to the community map to guide removal efforts.

View Sighting Map β†’

Statewide resources

Full SC State Guide

County-level data, quarantine zones, treatment guides, and agency resources for the entire state.

See the full SC guide β†’

Community intelligence

Live Sighting Map

See where SLF has been spotted near you in Richland County, SC. Add your own sighting to help map the front.

Open the Map β†’

Free weekly fight briefing

Fight SLF in Richland County, SC.

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