Citrus Pest and Disease Prevention Program Asian Citrus Psyllid quarantine information (CDFA) Huanglongbing/Asian Citrus Psyllid webpage CDFA HLB webpage University of California, Riverside HLB webpage, Division of Plant Industry Florida Citrus Health Response Program HLB on USDA ARS webpage USDA Multi-Agency coordination (MAC) USDA HLB Efforts HLB database at the University of Florida, Immokalee Citrus Research Board, California (CRB) Citrus Research and Development Foundation, Inc. Florida