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.

BINGO at Middle Coast Brewing Company

Have some fun on Giving Tuesday this year!
ISN is partnering with Middle Coast Brewing Company to host BINGO Tuesday, December 2nd from 6-8pm.
  • $5/per card (cash only), proceeds benefiting ISN!
  • Great drinks, delicious food, and a chance to win local prizes!

ISN is now a Nonprofit

ISN legally transitioned to a a 501(c)3 Oct. 1st 2023. We are the first CISMA in the state to become a nonprofit! Exciting stuff!

​This means new email addresses for staff, expanded grant eligibility, new office space (visit us at 3334 Veterans Drive A in Traverse City) & tax-deductible donations! 

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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