https://www.aphis.usda.gov/plant-pests-diseases/citrus-diseases/citrus-quaranti…

USDA. Animal and Plant Health Inspection Service.

Select layer to view quarantine by species (Asian citrus psyllid, citrus black spot, citrus canker,  citrus greening, sweet orange scab).
See related resource: Data Visualization Tools to explore plant and animal health management data and interactive story maps

https://www.pesttracker.org/map.php?code=FEAJEBY

USDA. APHIS. Cooperative Agricultural Pest Survey. National Agricultural Pest Information System.

https://www.aphis.usda.gov/plant-pests-diseases/citrus-diseases/sweet-orange-sc…

USDA. APHIS. Plant Protection and Quarantine.

Provides comprehensive sweet orange scab information including: what to look for, how to prevent this disease and how it is treated. Also provides image gallery and information how to report signs of citrus disease. And provides control information including: current status and regulatory information.