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Brown marmorated stink bug in California isn’t news since it’s been present in urban areas for a while. The breaking news is that brown marmorated stink bug is starting to make its way into agricultural production areas. Unfortunately, wherever brown marmorated stink bug takes up residence, it causes severe crop losses.

Established populations have been reported in urban areas of 16 California counties. Monitoring in agricultural orchards and vineyards began when established populations were noticed in urban areas. In 2017, brown marmorated stink bug began to cause damage in agriculture, infesting commercial almond and peach orchards. This trend of infestation has been much more severe in 2018. Multiple almond orchards reported brown marmorated stink bug infestation, leading to yield loss in a few cases, in the northern San Joaquin Valley.

Brown marmorated stink bug can reach very high numbers, and since adults and all immature stages (except the first instar) can actively feed on many f...

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I'm an Integrated Pest Management Advisor aka 'IPM Advisor' with the University of California. My doctoral degree is from Virginia Tech. I have a strong background in the field and lab-based research and like to apply my skill and expertise to solve the real-world agricultural pest problems. The other major aspect of my job is the extension of knowledge and new information to the pest control professionals, growers, and allied stakeholders. I always enjoy working on research and extension interface.



University of California Cooperative Extension

Stanislaus County

3800 Cornucopia Way, Suite A

Modesto, CA 95358 

Ph: (209) 525-6800

Email: jrijal@ucdavis.edu


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