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.

December 17, 2018 Why Taxonomic Preparedness Is Critical for Invasive Species Response

In the latest issue of American Entomologist, a team of scientists tells their story about how they sprang into action to investigate natural enemies of the brown marmorated stink bug. Source: Entomology Today, Dec. 17, 2018.

August 23, 2018 A Local Researcher Is Breeding an Army of Wasps to Devour Invasive Stink Bugs

The brown marmorated stink bug—already the scourge of the Northeast—is also in Washington. And it might move in with you this winter. A WSU researcher is breeding tiny samurai wasps in an effort to fight the pests. Source: The Seattle Times, Aug. 23, 2018.