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 Northwest Michigan Invasive Species Network (ISN)

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

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Identify Invasive Species

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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. 

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Hemlock Woolly Adelgid

UPDATE (4.20.2021): We recommend that all surveying efforts are stopped for the season as HWA crawlers will soon be active again. It can resume in the winter 2021/2022 season. Please contact ISN with any questions. 

Hemlock woolly adelgid (HWA) was recently confirmed in northern Benzie County, within ISN's service area. Survey efforts are being expanded and we are working with partners to address this issue. Please read the complete press release here. 

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

Hemlock Woolly Adelgid - More info

Photo courtesy of Record Eagle.

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ISN and Invasive Species in the Media

• ​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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