Many insects feed on trees, shrubs, and other outdoor plants. Factsheets with additional information on these pests can be found below:
- Trees & Shrub Pests
- Woody Ornamentals Pest Management in Wisconsin (General Pest Management Information)
- Aphids
- Ash Flower Galls
- Ash Plant Bug
- Black Vine Weevil
- Bronze Birch Borer
- Brown Marmorated Stink Bug
- Cankerworms
- Cottony Maple Scale
- Deciduous Tree Galls
- Degree Days for Common Landscape Insect Pests
- Eastern Tent Caterpillar
- Emerald Ash Borer (see EAB section below)
- European Pine Sawfly
- Euonymous Caterpillar
- Euonymous Scale
- Gypsy Moth
- Gypsy Moth in Wisconsin (Website)
- Home Landscape Insecticides
- Honeylocust Disorder: Plant Bugs and Leafhoppers
- Honeysuckle Leaffolding Aphid
- Ips Bark Beetles
- Japanese Beetle
- Japanese Beetle – Lab Note
- Lily Leaf Beetle
- Magnolia Scale
- Maple Gall Mites
- May/June Beetles
- Pear Slug (Pear Sawfly)
- Pine Needle Scale (Penn State)
- Pine Root Collar Weevil
- Rose Chafer Beetle
- Roseslug Sawfly
- Spruce Gall Adelgids
- Spruce Spider Mite
- Two-Lined Chestnut Borer
- Virburnum Borers
- Viburnum Leaf Beetle
- Webworms
- White Grubs on Christmas Trees
- Zimmerman Pine Moth
- Emerald Ash Borer(EAB)
- Conifer and Christmas Tree Pests
- Flower Pests
- Home Lawns Insects
- Pollinators in the Landscape
- Wisconsin Pollinators (Website)
- BMPs for Turf Care and Pollinator Conservation
- Conservation of Pollinators in Turfgrass Areas
- Pollinators (General Factsheet)
- Supporting Native Bees (Extended factsheet)
- Wisconsin Bee Identification Guide (2-page; easy to print)
- Wisconsin Bee Identification Guide (full color booklet)
- Wisconsin Bumble Bee ID Guide
- Other Outdoor Insects