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English ivy (Hedera helix) is a shade-tolerant, woody perennial vine. When established it creates a dense ground cover with attractive dark green foliage. But, left un-checked this introduced plant invades woodlands, climbs (and kills) trees and is considered an invasive species. Pursuing the internet you can find several “recommendations” for controlling English Ivy. Some good, some are questionable. This publication describes cultural and chemical control options.
This fact sheet covers the identification, impacts, and management for tree-of-heaven (Ailanthus), an invasive plant.
Chestnut blight is a fungal pathogen that caused the functional extinction of American chestnut in eastern North American forests. This fact sheet describes the history, biology, signs and symptoms, and hope related to the demise of chestnut in the US.
The longhorned tick (previously called the 'Asian longhorned tick') is an invasive tick spreading throughout the eastern US. A native of the far east, this tick was introduced to the US mainland in 2010. It has been reported from 20 states and Washington DC. Here we present basic information on the biology of the tick, its distribution, damage caused by the tick and how to protect against the tick.
The elm zigzag sawfly is an invasive species first reported in North America in 2020. This fact sheet details what is known about its biology, identification, and management.
This factsheet offers information on the biology and management of the spotted lanternfly, an invasive agricultural, ornamental, and nuisance pest in the United States.
This factsheet offers information on the biology and management of the Asian longhorned beetle, an invasive forest pest in the United States.
This factsheet describes the disease cycle, symptoms, and management of Dutch Elm Disease.
This factsheet covers information related to firewood as a threat in moving invasive pests to new areas.
