MSU Extension Invasive Species

• Spotted wing Drosophila update for cherry growers – July 13, 2018

  Published on July 13, 2018
  SWD numbers are six times higher than in past years at this time during the season. Although trap numbers are down this week, be cautious with management decisions as rain, humidity and wet weather will likely stimulate SWD activity.

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  Michigan brown marmorated stink bug update – July 10, 2018

  Published on July 10, 2018
  Watch out for early feeding damage by brown marmorated stink bugs in developing Gala, Honeycrisp and Golden Delicious apples. Nymphs can be found in abundance on non-crop hosts in some areas.

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  Michigan spotted wing Drosophila update – July 10, 2018

  Published on July 10, 2018
  Cooler weather last week coincided with a big jump in the number of SWD caught in traps; ripening fruit must be protected against infestation.

• West central Michigan small fruit update - July 3, 2018

  Published on July 3, 2018
  Intense heat wave affecting the state is causing problem for small fruit growers, especially for blueberry fields ready for harvest or that started harvesting. Sunburn on ripe fruit clusters is creating problems at harvest time.

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  Michigan spotted wing Drosophila update - July 3, 2018

  Published on July 3, 2018
  SWD are still active, though traps caught low numbers due to the heat; ripening fruit must be protected against infestation.

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  Be on the lookout for Asian chestnut gall wasp

  Published on June 26, 2018
  Asian chestnut gall wasp is present in southwest Michigan. Scout carefully and continue to comply with the state quarantine. Importing plant material from states with known infestations is prohibited.

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  Brown marmorated stink bug management survey for commercial producers

  Published on June 26, 2018
  Has brown marmorated stink bug changed your pest management program? Participate in this nationwide survey to help us help you manage it better.

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  Spotted wing Drosophila catches increase sharply in southwest Michigan

  Published on June 26, 2018
  Monitoring traps are detecting increasing fly activity as fruit continue to ripen.

• West central Michigan small fruit update – June 26, 2018

  Published on June 26, 2018
  Summer insect and disease management in blueberries and other small fruit is fast approaching. Cane collapse and fruit rots in blueberries and the beginning of the spotted wing Drosophila (SWD) flies arrival should be the main focus of growers’ IPM program

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  Michigan energized for 5th annual Aquatic Invasive Species Week

  Published on June 25, 2018
  The annual Landing Blitz in July is an opportunity to reach boaters and other watercraft users with information about stopping the spread of Aquatic Invasive Species.