- Citrus Pest and Disease Prevention Program - Citrus Insider
- University of California IPM Guidelines for Citrus, Asian citrus psyllid
- California Department of Food and Agriculture: http://www.cdfa.ca.gov/plant/acp/
o Requirements for the movement of bulk citrus fruit
o Requirements for the movement of nursery citrus
- Citrus Research Board and Citrograph: www.citrusresearch.org/citrograph
- UCCE Topics in Subtropics Newsletter