California BMSB Information


Cooperative Extension Offices

State IPM Program

BMSB Researchers in California:

  • Kent Daane, University of California-Berkeley
  • Monica Cooper, UC Cooperative Extension Napa County
  • Kent Daane, UC-Berkeley
  • Mark Hoddle, UC-Riverside
  • Frank Zalom, UC-Davis

Pesticide Safety Education Program

Maps and Resources

News and Updates

March 8, 2017 Brown Marmorated Stink Bug Trapped in the Clarksburg American Viticulture Area

BMSB continues to spread slowly in California, but no damage has been reported in commercial agricultural crops. Source:, March 8, 2017.

May 22, 2015 Look Out, Stink Bugs Are Back

In Sacramento, pests that disappeared in November are coming out of hiding, ready to start another attack. Source: The Sacramento Bee, May 22, 2015.

October 24, 2014 Brown Marmorated Stink Bugs Plaguing Midtown Sacramento

These persistent bugs are threatening the Central Valley’s agricultural industry and disheartening home gardeners. Source: The Sacramento Bee, October 24, 2014.

September 19, 2013 Large number of marmorated stink bugs found in California capital

A well-established population of brown marmorated stink bugs is found in a Sacramento neighborhood. Source: The Grower, September 18, 2013.

July 2, 2012 Brown marmorated stink bug news from Napa County, CA

The California Department of Food and Agriculture is tracking new finds via submission of suspected insects by county agricultural commissioner’s and state border inspection stations. Source: County of Napa Ag. Commissioner, July 2012