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Confirmed β€” Monitoring β€” Confirmed 2022

Spotted Lanternfly inDelaware County, OHSPOTTED LANTERNFLY GUIDE

Confirmed
2022
Population Served
~225,000
Status
Confirmed β€” Monitoring

Delaware County forms the fast-growing northern suburbs of Columbus, confirmed with spotted lanternfly in 2022 as SLF populations established in Franklin County to the south and spread northward along Ohio's I-71 corridor. The county has experienced explosive residential and commercial growth over the past decade, with communities like Powell, Lewis Center, and Dublin border areas generating heavy commuter traffic from Columbus that provides daily introduction opportunities for SLF arriving from infested zones in eastern Ohio and Pennsylvania. Delaware City and Sunbury retain a more rural and agricultural character that makes early detection especially challenging across a large landscape, while Lewis Center and the Dublin border communities are dense suburban areas with significant landscaping and nursery trade. SLF spread from the established Franklin County infestation via the Olentangy River and Scioto River corridors is the primary spread pathway of concern.

Highest activity zones

SLF Hotspots in Delaware County, OH

1

Delaware City

Active zone

2

Powell

Active zone

3

Dublin border

Active zone

4

Lewis Center

Active zone

5

Sunbury

Active zone

Primary SLF food source

Tree of Heaven in Delaware County, OH

The Olentangy River corridor through Delaware City and Lewis Center has Tree of Heaven establishment in riparian floodplain margins connecting Columbus infestations northward into Delaware County. I-71 corridor through the county carries Ailanthus at highway medians and interchange areas extending the SLF dispersal spine from the Columbus metro toward the Ohio Turnpike corridor to the north. Rail corridors through Sunbury and Delaware City carry Ailanthus at track margins providing additional SLF dispersal pathways through the county's agricultural interior.

Identify Tree of Heaven β†’

Local action resources

What To Do in Delaware County, OH

Report a Sighting

Every sighting in Delaware County, OH maps the invasion front. Report directly to Ohio 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 OH State Guide

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

See the full OH guide β†’

Community intelligence

Live Sighting Map

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

Open the Map β†’

Free weekly fight briefing

Fight SLF in Delaware County, OH.

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