Male SWD

The Department of Entomology and the MN IPM Program (UMN Extension), in collaboration with the MDA, are monitoring multiple farm locations in MN and will be posting regular updates regarding SWD phenology and activity on the SWD page.


Although Brown marmorated stink bug (BMSB) has been limited to a handful of locations, one overwintering population has been identified. For information on potential impacts of BMSB establishment in Minnesota, view the BMSB page

Pest Alerts!

SWD on purple raspberry

[9/27/2016] Despite the cool temperatures, SWD infestations in grapes remain high.

[9/1/2016] Spotted Wing Drosophila (SWD) continues to demonstrate why it is one of the more devastating invasive insect pests in Minnesota. This has been another record year for SWD population numbers, with some locations exceeding 1500-2000/trap per week, in the metro area.