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


[8/30/2019]  As we approach wine grape harvest in the next 2-3 weeks, growers should remain vigilant in monitoring SWD (ideally, using traps located at on-farm vineyards), and if flies are present (e.g., trap catch >10 flies/week), consider using one of 4 alternating insecticides prior to harvest (e.g., Delegate or Entrust [organic-certified], Mustang Maxx, and Malathion). Read the entire article here

[8/16/2019] Spotted-wing Drosophila (SWD) trap catches continue to remain very high in all on-farm and research locations monitored. Read the entire article here