August 19, 2019 Severe Brown Marmorated Stink Bug Damage in California Orchard

Last May, a Turlock, CA, almond grower noticed nearly all the nuts on a row of trees in his orchard had fallen to the ground. UCCE Integrated Pest Management advisor Jhalendra Rijal determined the cause was an infestation of brown marmorated stink bug. Source: Fruit Growers News, Aug. 19, 2019.

July 29, 2019 Available Positions

Learn about currently open positions on the Brown Marmorated Stink Bug project.

July 8, 2019 Samurai Wasp

Our map of field recoveries of Trissolcus japonicus has been updated for 2019. Also known as the “samurai wasp,” Trissolcus japonicus is an egg parasitoid and a key natural enemy of brown marmorated stink bug.

July 8, 2019 Samurai Wasp, Trissolcus japonicus, Detected in Utah

Two BMSB egg masses were found on northern catalpa (Catalpa speciosa) leaves in Salt Lake City, Utah, on June 17, 2019. Both egg masses were found on separate trees approximately 9 meters apart in a managed urban landscape amid residential homes. The wasps were identified by Utah State University researchers.

July 8, 2019 A Fungal Enemy

Nosema maddoxi is a newly described microsporidian pathogen recently found in BMSB populations in the U.S.

March 26, 2019 State-by-State

Our brown marmorated stink bug distribution map has been updated. Minnesota, Wisconsin, and Illinois have reported agricultural problems, and Arkansas has newly reported nuisance problems.

March 12, 2019 Samurai Wasps Say, "Smell Ya Later, Stink Bugs"

Scientists are investigating a new tactic in the war on the brown marmorated stink bug: the possibility of relying on one of the bug’s natural enemies, the samurai wasp. Watch this video for a close-up view of stink bugs and samurai wasps in action. Source: KQED “Deep Look”, Mar. 12, 2019.

March 11, 2019 Stakeholder Advisory Panel Meeting, February 2019

Download presentations from the BMSB Stakeholder Advisory Panel Meeting, held February 19, 2019.