Gevork Arakelian
The Department operates Entomology and Plant Pathology Laboratories, which seek to protect consumers by identifying exotic insects (and other invertebrates), invasive weeds and plant pathogens entering Los Angeles County through truck, ship, airfreight, and parcel delivery operations. The laboratories provide rapid and accurate identifications to support the Pest Detection and Pest Exclusion programs and offer identification and information services for Los Angeles County residents, schools, governmental agencies, growers, nursery and pest control operators. Overall, the laboratories process over 8,000 pest specimens submitted annually.

If you would like to submit samples for identification or analysis, please use the following forms:Requests for pest identification are accepted for specimens originating in Los Angeles County only.

CISR: Bagrada Bug

South Gate Office:
11012 South Garfield Ave.
South Gate, CA 90280
(562) 622-0402

Contact Gevork Arakelian

Contact Gevork Arakelian

Los Angeles County Agricultural Commissioner/Weights & Measures Department
Senior Biologist
12300 Lower Azusa Road
Arcadia, California  91006-5872
Phone: (626) 575-5471


Service Area

Services provided in:
  • Los Angeles County, California