Invasive species have a huge impact on Ohio's natural resources.  Here you can find a variety of informational resources covering both invasive plants and invasive insects.


Hemlock Wooly Adelgid Update

Since November of 2020, there have been a number of new infestations of hemlock woolly adelgid (HWA) discovered in Ohio. These discoveries have been made in Mahoning, Summit, Jefferson, and Columbiana counties. This brings the total amount of known HWA-infested counties in Ohio to 16. The question for the homeowner and/or landscaper is: What should I do? The short answer is: Report it! Read more in this article by OSU Extension's Tom deHass. 

Spotted Lanternfly Quarantine Information

A quarantine is established to contain, or reduce the potential spread, of an identified pest. Recently, the Pennsylvania Department of Agriculture (PDA) has expanded their spotted lanternfly (SLF) (Lycorma delicatula) quarantine to include 8 new counties. Read more in this article by OSU Extension's Amy Stone. 



U.S. Forest Service Research and Development Web Page

The U.S. Forest Service through their Research and Development website has compiled their research on a wide variety of invasive species from across the country.  The highlight on the page is an article on Managing Invasive Species in the 21st Century: A New Comprehensive Science Synthesis.  For those dealing with invasive species there is some great information here.

U.S. Forest Service offers SCIENCEx Webinars

The SCIENCEx webinar series brings together scientists and land management experts from across U.S. Forest Service research stations and beyond to explore the latest science and best practices for addressing large natural resource challenges across the country.  See the schedule of webinars and registration information here.

Invasive Buckthorns

OSU Extension Educator Ann Chanon shares an article on the invasive buckthorns - common buckthorn (Rhamnus cathartica) and glossy buckthorn (Frangula alnus). This article was first posted on the Buckeye Yard and Garden Line (BYGL).


Plant Introductions: Meet Invasive Species Japanese and Common Barberry

Let OSU Extension Educator Ashley Kulhanek introduce you to invasive species Japanese barberry and Common barberry.  Find out their connection with ticks and discuss control.  This article was first posted on Buckeye Yard and Garden Line (BYGL).  Enjoy the article here.




Woody Invasives of the Great Lakes

In 2018 a partnership was formed to advance public access to information on invasive species across the Great Lakes region.  Here at the WIGL Collaborative’s online home, you will find information related to woody invasive species identification, distribution, impacts, regulatory status, and control and management. The collaborative has also developed recommendations on trees, shrubs and vines that gardeners and landowners can plant as alternatives to known woody invasives.  If you want to learn more information on the partnership check out this page of the site.  Otherwise take a walk through the various pages of the WIGL site for information that can hopefully help with your invasive species journey

Spotted Lanternfly in Ohio

The Ohio Department of Agriculture (ODA) announced on October 27th that spotted lanternfly has been confirmed in Ohio.  To learn more about the infestation go here to read the press release from ODA.  To learn more about the pest itself see the Ohio State fact sheet located here.  Join us on November 13th for a live webinar 'Spot the Spot: A National and Ohio Update on Spotted Lanternfly' - register here.

Spot the Spot - Efforts Continue to Look for Spotted Lanternfly (SLF) in Ohio

Spotted lanternfly has been positively identified in two Pennsylvania counties that sit on the Ohio border.  This means Ohioians need to be alert about the pest and be on the lookout for it.  OSU's Amy Stone and Tom DeHaas talk about what you should know about SLF and how you can help look for any sign of it in Ohio.  The article was originally posted and BYGL and can be found here.



Asian Jumping Worms a Threat to Gardens and Woodlands

This BYGL article by OSU Extension's Mike Hogan talks about the impacts of this invasive worm species.  They have multiple names and are being found in gardens and woodlands around the country.  Read the article here.



Invasive Plant ID - Autumn Olive

Autumn olive was introduced for all the right reasons but it has become a very invasive shrub.  Intended for landscapes and strip mine reclamation this invasive shrub can now be found all across the state.  Check out this video to help improve your id skills for this invasive shrub.  Click the image to access the video.


USDA Forest Service Invasive Species Podcasts - FORESTCAST

Season 1 of the USDA Forest Services's new podcast, called Forestcast, is now available. Forestcast features information focused on what is happening in the forests of the Northeast and Midwest, and what the future may hold for those forest ecosystems. Season 1 is focused on invasive species, with episodes on emerald ash borer, gypsy moth, Asian longhorned beetle, and more. 

Invasive Plant ID - Porcelain-berry

Porcelain-berry is a non-native invasive plant that impacts both woodlands and open natural areas.  This plant can be confused with wild grape until you see the fruit.  Click on the image to access this identification video.


Integrated Chemical and Biological Control of Hemlock Woolly Adelgid: A Guide

This video was orginally presented as part of Emerald Ash Borer University.  Join the US Forest Services'  Entomologist Albert Mayfield as he goes through a guide for dealing with hemlock woolly adelgid.  The publication that goes with the presentation can be found here.  Click the image to watch the presentation.


Asian Longhorned Beetle 

Join Ohio State's Joe Boggs to learn about Asian Longhorned Beetle and get a status update on the infestation that is in SW Ohio.  Click on the image to access the presentation.


Invasive Plant ID - Garlic Mustard

Garlic mustard is a non-native invasive plant that can have a huge impact on our woodlands.  This video will help you sharpen you ID skills for this plant.  Click on the image to learn more.



Be Alert for Spotted Lanternfly

Is this the next non-native invasive pest for Ohio?  Learn more about this pest that is in Pennsylvania.  Click here to access this new factsheet.



Great Lakes Early Detection Network App (GLEDN)

Want some help identifying invasive species?  Join those using the GLEDN app to identify, map and report invasive species as you encounter them across the state.  The app contains images and descriptions of various invasive species from trees, shrubs, vines, wildlife and even some diseases.  Download this free app here.

Check out our webinar and video on how to use the app here. Scroll down to find the webinar titled, 'The Great Lakes Early Detection Network: Helping Land Managers Track Invasive Species'. 

Invasive of the Week - Japanese Knotweed

Check out this BYGL article from Amy Stone, Lucas County Extension Educator.  The article is part of the BYGL (Buckeye Yard and Garden onLine) news.  Access the article here.