Pests of the Forest

Our forests are continually threatened by both native and non-native species that can impact the health of individual trees and an entire stand.  Below are descriptions of many of these plants, animals, insects and diseases, and ways you can manage your forest to minimize their impact.

Insects	Diseases
Invasive Plants	Wildlife

Insects

Emerald Ash Borer – The Green Menace
Produced by: US Department of Agriculture
Publication number:  USDA-1769
Keywords: symptoms, prevention

Forest Management Strategies to Minimize the Impact of the Gypsy Moth
Produced by: UW-Madison Department of Forest Ecology and Management, 1997
Publication number: Forestry Fact 83
Keywords: gypsy moth, insect, defoliation, protection

Gypsy Moth Silvicultural Guidelines for Wisconsin
Produced by: WI Department of Natural Resources
Publication number: FR-123
Keywords: insect, gypsy moth, forest management, protection, defoliation, impacts

Gypsy Moths: Identifying and Managing Gypsy Moth Caterpillars
Produced by: WI Department of Natural Resources
Publication number: FR-171B
Keywords: gypsy moth, insect, identification

Gypsy Moths: Selecting a Pesticide for Gypsy Moth Control
Produced by: WI Department of Natural Resources
Publication number: FR-171D
Keywords: gypsy moth, insect, pesticide

How to Manage Jack Pine to Reduce Damage from Jack Pine Budworm 
Produced by: USDA Forest Service
Publication number: NA-FR-01-94
Keywords: jack pine, disease, management

Identifying & Managing Pine Pests in Wisconsin
Produced by: UWEX Cooperative Extension, 1988
Publication number: G3428
Keywords: pine, protection, identification, insects, growth, disease, control

Outdoor Hazards in Wisconsin: A Guide to Noxious Insects, Plants and Wildlife
Produced by: UWEX Cooperative Extension
Publication number: G3564
Keywords: identification, safety, protection, wildlife, ticks, insects, poison ivy, wild parsnip

Tree Defoliation in Forests & Woodlots
Produced by: WI Department of Natural Resources
Publication number: FR-220a
Keywords: defoliation, causes, impacts

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Diseases

Annosum Root Rot: Biology, Symptoms, and Prevention
Produced by: WI Department of Natural Resources
Keywords: disease, roots, rot, red pine, white pine, fungus, prevention

How to Identify, Prevent, and Control Oak Wilt
Produced by: USDA Forest Service
Keywords: disease, oak wilt, management

How to Identify White Pine Blister Rust and Remove Cankers
Produced by: USDA Forest Service
Keywords: disease, white pine, management

Lake State Woodlands: Oak Wilt Management-What Are the Options?
Produced by: UWEX Cooperative Extension, 2001
Publication number: G3590
Keywords: oak, forest management, disease, protection, risk, prevention, control

Protect Your Trees From Oak Wilt
Produced by: WI Department of Natural Resources
Publication number: FR-127
Keywords: disease, woodlot, building

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Outdoor Hazards in Wisconsin: A Guide to Noxious Insects, Plants and Wildlife
Produced by: UWEX Cooperative Extension
Publication number: G3564
Keywords: identification, safety, protection, wildlife, ticks, insects, poison ivy, wild parsnip

Wisconsin Manual of Control Recommendations for Ecologically Invasive Plants
Produced by: WI Department of Natural Resources, 1997
Keywords: invasive, control, management

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