About the Data: Spotted Lanternfly Status Map
The spotted lanternfly (Lycorma delicatula, SLF) status map displays county-level and state-level detection and quarantine information across the contiguous United States. The map is designed for use by extension educators, researchers, growers, and policymakers to understand the current geographic extent of SLF.
Status Categories
| Category | Definition | Scale |
|---|---|---|
| Sighting | Confirmed detection of SLF reported to state agriculture department or USDA APHIS | County |
| County Quarantine | County-level quarantine order in effect restricting movement of regulated articles | County |
| County Infestation | Established SLF population with ongoing management activities | County |
| Statewide Quarantine | Entire state under quarantine order for SLF | State |
Data Sources
| Source | Data Provided | Identifier |
|---|---|---|
| USDA APHIS | Federal quarantine and detection records | FIPS code |
| State Departments of Agriculture | State and county quarantine orders | FIPS code / State FIPS |
| U.S. Census Bureau TIGER/Line | County and state boundary geometries (cb_2023, 1:500,000) | GEOID / STATEFP |
Geographic identifiers use FIPS codes, enabling interoperability with Census, USDA, and other federal datasets.
How to Cite
Cornell Integrated Pest Management. 2026. Spotted Lanternfly Status Map, version 1.0.0. Dataset v2026.02.0. Accessed 13 May 2026. https://maps.cornell-ipm.org/spotted-lanternfly.
Data Downloads
Versioned datasets are available for download in GeoPackage, GeoJSON, and CSV formats.
Version History
| Component | Version | Date | Description |
|---|---|---|---|
| Application | v1.0.0 | February 2026 | Initial release |
| SLF Dataset | v2026.02.0 | February 2026 | Initial published dataset |
| SLF Map Layout | v2026.02.5 | February 2026 | Initial layout with county and state layers |
License
This tool and its data are licensed under a Creative Commons Attribution-NonCommercial 4.0 International License (CC BY-NC 4.0) for academic and non-commercial use. Attribution is required.
For commercial licensing, contact Cornell Integrated Pest Management.