Plant Pest Diagnostics Laboratory
NEW! Lab Newsletter - 2023 SPRING
The San Diego County Plant Pest Diagnostics Laboratory is an integral part of regulatory activities that protect local agriculture. The lab works directly with the California Department of Food and Agriculture, and County Apiary, Integrated Pest Management, Nursery Inspection, Pest Detection, Pierces Disease Control, Pest Exclusion and Quarantine programs, to rapidly detect, identify and respond to invasive pests.
Suspect Invasive Species
Please help protect our local agricultural environments by alerting us to any suspect invasive species found in the county.
Pests can be reported directly to CDFA Report a Pest Hotline 1-800-491-1899
Samples can also be submitted to our drop box or front desk locations:
Agriculture, Weights & Measures North County Office, 151 E. Carmel Street, San Marcos, CA 92078
Agriculture, Weights & Measures County Operations Center, 9325 Hazard Way, Suite 100, San Diego, CA 92123
or virtually as photographs to our email (Labs.AWM@sdcounty.ca.gov). Please send only one photograph per email due to file size limits. Include a completed Specimen for Determination form with all sample submissions.
Commercial Agricultural Operations
The University of California Cooperative Extension (UCCE) Advisors assist industry with pest management (858-822-7711; firstname.lastname@example.org).
Plant disease diagnostics (Plant Pathology, Botany, Seed, Nematology) are offered directly through the California Department of Food and Agriculture (CDFA) Plant Pest Diagnostics Center.
PDR form | Sample Preparation and Submission | Plant Pathology Service Fee Schedule
Commercial nursery or greenhouse growers can now submit ornamental plant pathology samples at no cost to Greenhouse and Nursery Pathology UC Davis.
The AWM Lab typically does not handle residential garden samples; these samples are referred to the University of California Cooperative Extension (UCCE) Master Gardeners Program (858) 822-6910. Residents are encouraged to submit unfamiliar insects to iNaturalist for identification.
Biting, stinging, and indoor pests are referred to the county Vector Control Program.
Exotic Pest Concerns: CDFA Report a Pest Hotline 1-800-491-1899
Bee Concerns: County of San Diego Apiary Program and California Master Beekeeper Program
Connect with a certified arborist: Professional Tree Care Association of San Diego
University of California Integrated Pest Management: Plant Problem Diagnostics Tool
University of California Integrated Pest Management: Pest Management Guidelines
NEW! Cycad Scale
NEW! Lesser Snow Scale
Black Fig Fly/ Mosca Negra de Higo
Spotted Lanternfly (English / Español)
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