Northwest Michigan Invasive Species Network (ISN)

A Cooperative Invasive Species Management Area (CISMA)
serving Benzie, Grand Traverse, Leelanau & Manistee counties

News and Updates

2022 Japanese Barberry Trade-Up Days are back this June!

This year's events will take place in THREE different counties (the most we've ever done). Trade-in your Japanese barberry for coupons for a more habitat-friendly option and get free disposal of this invasive shrub.

Find out more here.
*Pre-registration required.

Help Support ISN's Work

ISN would not exist without the support of our partners and community. Consider making a donation to help ensure invasive species efforts continue in northwest Michigan. Every bit helps enhance the natural world around us. All contributions are tax-deductible, as ISN is now a 501(c)3!

Hemlock Woolly Adelgid

Hemlock woolly adelgid (HWA) was discovered in 2021 in Benzie County. While early detection efforts eliminated the threat before it could become established, survey efforts will continue into the 2023 survey season. 

For more information on HWA, ISN's work to stay ahead of the spread, and surveying information, please follow the link below. 
Picture
Photo courtesy of Record Eagle.

ISN and Invasive Species in the Media

  • Another popular landscape shrub is headed to Pennslyvania's banned list (Penn Live)
  • Callery Pear on List of Species Illonis Assessing as Invasive. Here's What That Means (WTTW News)
  • Feel the Vibe: Study Shows Spotted Lanternflies Sense Acoustic Stimuli (Entomology Today)
  • ​The Summer of Ticks (The Ticker)
  • Invasive hemlock woolly adelgid found in northern Benzie County (Michigan DNR)
  • NotMISpecies webinar series returns in New Year (Michigan DNR)
  • Play Clean Snow? Winter is still a time to stop invasive species (PlayCleanGo)
  • How non-native plants are contributing to a global insect decline (Yale Environment 360)
  • Invasive, hyperbolically named vine makes first known appearance in Michigan (Western Michigan University Public Radio)
  • Continued vigilance urged after dead lanternfly cases identified in Michigan (EGLE)

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Not in ISN's Service Area? Find your local CISMA

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