Pests and pest control in Sacramento, CA

Pests to know in Sacramento

• Yellow Fever Mosquito
• Japanese Beetle
• Subterranean termites
• Western Drywood Termite

Why each one matters here is cited in the sections below.

Termites in Sacramento

• UC IPM says Reticulitermes subterranean termites are found in nearly all regions of California and swarm on clear spring or fall afternoons after a soaking rain.^[5]
• The western drywood termite, California's second most important termite pest, ranges from the Pacific coast into the Central Valley; its swarmers fly in daytime in summer and fall.^[6]

Invasive species reported here

• State health records list invasive Aedes aegypti as present in Sacramento, Citrus Heights, Elk Grove, Carmichael, Fair Oaks, Orangevale, Rio Linda, Rancho Cordova and Rancho Murieta.^[3]
• Japanese beetle detections in Arden-Arcade and Rancho Cordova led CDFA and the county to run an eradication project, with detection traps placed at two per square mile.^[4]

Climate

Central Sacramento (ZIP 95814) is in USDA plant hardiness zone 9b, where the average coldest winter night is 25 to 30°F.^[11]

Public agencies that handle pests

• The Sacramento-Yolo Mosquito & Vector Control District has served Sacramento and Yolo counties since 1946 and offers residents free home inspections and free mosquitofish.^[1]
• Residents can report neglected swimming pools to the Sacramento-Yolo district, which also provides yellowjacket identification and control.^[1]
• California residents can report dead birds to the state West Nile virus program online or by hotline; dead birds are often the first sign WNV is active in an area.^[2]

Local rules and responsibilities

California law bars landlords from showing or renting a unit they know has a current bed bug infestation and requires notifying inspected tenants within two business days of findings.^[8]

Hiring a licensed company

California's Structural Pest Control Board licenses three branches: Branch 1 fumigation, Branch 2 general household pests, and Branch 3 wood-destroying pests or organisms.^[7]

Licensing agency: California Environmental Protection Agency — Department of Pesticide Regulation^[12].

See also how to check a pest control license.

Free local help

• UC Master Gardeners of Sacramento County run a telephone hotline and email help for home gardeners, including pest identification, from the UCCE office on Branch Center Road.^[9]
• The Sacramento County Agricultural Commissioner refers residential landscape insect identification questions to the county's UC Extension Master Gardeners and handles pest detection trapping.^[10]

Through the year

Spring

CDFA's Sacramento County Japanese beetle plan applies a soil treatment targeting grubs once during April to May.^[4]

Sources

1. Sacramento-Yolo Mosquito & Vector Control District, “Sacramento-Yolo Mosquito & Vector Control District.” www.fightthebite.net/ (accessed 2026-10-06)
2. California Department of Public Health, “California West Nile Virus Website.” westnile.ca.gov (accessed 2026-10-06)
3. California Department of Public Health, “Aedes aegypti and Aedes albopictus Mosquitoes in California by County and City.” www.cdph.ca.gov/Programs/CID/DCDC/Pages/AedesDetectionsByCountyCity.aspx (accessed 2026-10-06)
4. California Department of Food and Agriculture, “Japanese Beetle Eradication Project Work Plan, Arden-Arcade and Rancho Cordova, Sacramento County.” www.cdfa.ca.gov/plant/JB/pdfs/NOT_Eradication_Work_Plan_JB_Sacramento_County_Amendment_2021-03.pdf (accessed 2026-10-06)
5. UC Statewide Integrated Pest Management Program, “Subterranean and Other Termites Management Guidelines.” ipm.ucanr.edu/PMG/PESTNOTES/pn7415.html (accessed 2026-10-06)
6. UC Statewide Integrated Pest Management Program, “Drywood Termites.” ipm.ucanr.edu/home-and-landscape/drywood-termites/ (accessed 2026-10-06)
7. California Structural Pest Control Board, “How do I become a Structural Pest Control Board licensee?.” pestboard.ca.gov/howdoi/lic.shtml (accessed 2026-10-06)
8. California State Legislature, “AB 551 Bill Text (Chaptered).” www.leginfo.ca.gov/pub/15-16/bill/asm/ab_0551-0600/ab_551_bill_20160925_chaptered.html (accessed 2026-10-06)
9. UC Cooperative Extension Sacramento County Master Gardeners, “How can we help you?.” sacmg.ucanr.edu/How_can_we_help_you (accessed 2026-10-06)
10. Sacramento County Agricultural Commissioner, “Insect and Pest Information.” agcomm.saccounty.gov/us/en/programs/InsectPest.html (accessed 2026-10-06)
11. USDA ARS and PRISM, via phzmapi.org, “Plant hardiness zone for ZIP 95814 (2023 USDA map data).” phzmapi.org/95814.json (accessed 2026-10-06)
12. National Pesticide Information Center, “State Pesticide Regulatory Agencies.” npic.orst.edu/reg/state_agencies.html (accessed 2026-10-06)