Northwest Michigan Invasive Species Network (ISN)

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

News and Updates

HWA Found in Leelanau County

Hemlock woolly adelgid (HWA) was confirmed in Northport this summer after a concerned private landowner contacted ISN. This adds another county to the 8 in Michigan that currently have active populations, and ISN's northernmost population.
Find out more about the discovery here.

ISN is now a Nonprofit!

ISN legally transitioned to a a 501(c)3 Oct. 1st 2023. This means new email addresses for staff, expanded grant eligibility, & tax-deductible donations!
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And a new office space: visit us at 3334 Veterans Drive A, Traverse City MI 49684
(for field season, call ahead as we may be out & about)

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!

ISN and Invasive Species in the Media

  • Destructive hemlock woolly adelgid found in Western Antrim county (9&10 News)
  • Invasive bug forces trail closure (Record Eagle)
  • 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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