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Pests and pest control in Worcester, MA

Pests to know in Worcester

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

Termites in Worcester

MDAR says a contractor applying liquid termiticide should be certified in category 43 (termite control) or work under direct supervision of someone who is.[9]

Invasive species reported here

  • UMass Extension lists Worcester among the U.S. Asian longhorned beetle infestations, noting it was found there in 2008.[6]
  • A USDA APHIS quarantine map sizes the Massachusetts Asian longhorned beetle quarantine around Worcester at 75.74 square miles.[7]
  • Massachusetts' first established spotted lanternfly population was detected in Fitchburg, in Worcester County, in 2021.[8]

Pests local experts flag

CMMCP warns that mosquito larvae will develop in any container that holds water for more than a week.[5]

Climate

Central Worcester (ZIP 01608) is in USDA plant hardiness zone 6a, where the average coldest winter night is -10 to -5°F.[11]

Public agencies that handle pests

  • Worcester is a member community of the Central Massachusetts Mosquito Control Project, which publishes the city's mosquito spray schedule.[1]
  • CMMCP supplements the state health department's arbovirus surveillance by using mosquito gravid traps to monitor for West Nile virus.[3]

Local rules and responsibilities

Under 333 CMR 13.03, a request to exclude property from wide-area mosquito spraying can be filed any time of year, takes effect 14 days after receipt, and lasts the rest of that calendar year.[4]

Hiring a licensed company

In Massachusetts, anyone doing pesticide work for hire with general use pesticides who has never held a pesticide license must first obtain MDAR's Applicator License.[10]

Licensing agency: Massachusetts Department of Agricultural Resources — Pesticide Program[12].

See also how to check a pest control license.

Free local help

UMass Extension says adult Asian longhorned beetles in Massachusetts start emerging from trees around July 1.[6]

Through the year

Spring to Fall
Worcester's public health division says peak tick season in Massachusetts runs from March or April through August, with a second peak in October and November.[1]
Winter to Spring
CMMCP says mosquito larvae usually hatch in late February, and its crews begin checking catalogued wetland areas by mid-March.[2]

Sources

  1. City of Worcester Division of Public Health, “Fight the Bite.” www.worcesterma.gov/public-health/health-topics/fight-the-bite (accessed 2026-10-06)
  2. Central Massachusetts Mosquito Control Project, “Frequently Asked Questions.” www.cmmcp.org/FAQ.aspx (accessed 2026-10-06)
  3. Central Massachusetts Mosquito Control Project, “Surveillance.” www.cmmcp.org/1225/Surveillance (accessed 2026-10-06)
  4. Central Massachusetts Mosquito Control Project, “Pesticide Exclusion.” www.cmmcp.org/1526/Pesticide-Exclusion (accessed 2026-10-06)
  5. Central Massachusetts Mosquito Control Project, “Source Reduction.” www.cmmcp.org/1226/Source-Reduction (accessed 2026-10-06)
  6. UMass Extension (UMass Amherst Center for Agriculture, Food, and the Environment), “Asian Longhorned Beetle.” www.umass.edu/agriculture-food-environment/landscape/fact-sheets/asian-longhorned-beetle (accessed 2026-10-06)
  7. USDA Animal and Plant Health Inspection Service, “ALB Massachusetts Quarantine.” www.aphis.usda.gov/sites/default/files/mass-currentquarantine.pdf (accessed 2026-10-06)
  8. UMass Extension (UMass Amherst Center for Agriculture, Food, and the Environment), “Spotted Lanternfly.” www.umass.edu/agriculture-food-environment/landscape/fact-sheets/spotted-lanternfly (accessed 2026-10-06)
  9. Massachusetts Department of Agricultural Resources, “Consumer Information Bulletin: Termite Applications.” www.mass.gov/doc/cib-termite/download (accessed 2026-10-06)
  10. Massachusetts Department of Agricultural Resources, “Pesticide Examination and License Information Bulletin.” www.mass.gov/doc/pesticide-examination-and-license-information-bulletin/download (accessed 2026-10-06)
  11. USDA ARS and PRISM, via phzmapi.org, “Plant hardiness zone for ZIP 01608 (2023 USDA map data).” phzmapi.org/01608.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)

Updated 2026-10-15. Every statement on this page comes from the cited local, state or university source. Spot an error? Tell us.