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Insects
Woody Ornamental Insect, Mite and Disease Management Guide (2003) - This guide is now available online, or purchase a hard copy from PSU Ag Publications
Using Growing Degree Days for Insect Pest Management - Fact sheet from Woody Ornamental IPM site
Growing Degree days for Insects Affecting Ornamental Plants - Fact sheet from Woody Ornamental IPM site
Insects and Spiders and Mites, OH MY! Recognizing Beneficials in the Nursery and Landscape - Penn State video $20.00
Penn State Entomology Department Fact Sheets
Woody Ornamental IPM Insect Fact Sheet
- Aphids on Ornamentals
- Bagworm
- Birch Leaf Miner
- Black Vine Weevil
- Boxelder Bug
- Boxwood Leafminer
- Boxwood Psyllis
- Cooley Spruce Gall Adelgid
- Cottony Maple Scale
- Eastern Spruce Gall Adelgid
- Eastern Tent Caterpillar
- Elm Leaf Beetle
- Elm Spanworm
- European Pine Sawfly
- Fall Cankerworm
- Fall Webworm
- Fletcher Scale
- Gypsy Moth
Woody Ornamental IPM Insect Fact Sheet
Printable PDF's available on link
- Bagworm
- Birch Leafminer
- Black Vine Weevil
- Boxwood Leafminer
- Boxwood Psyllid
- Calico Scale
- Eastern Tent Caterpillar
- Euonymus scale
- European Pine Sawfly
- Fall Webworm
- Honeylocust Plant Bug
- Juniper Scale
- Magnolia Scale
- Mimosa Webworm
- Native Holly Leafminer
- Pine Bark Adelgid
- Pine Needle Scale
- Spruce spider mite
- White pine weevil
- Hemlock Woolly Adelgid
- Japanese Beetle on Ornamental Plants
- Juniper Scale
- Lace Bugs on Broad-Leaved Evergreen Ornamentals
- Lace Bugs on Deciduous Woody Ornamentals
- Magnolia Scale
- Mimosa Webworm
- Native Holly Leaf Miner
- Obscure Scale on Oak
- Pear Thrips in Pennsylvania
- Periodical Cicada
- Pine Needle Scale
- Potato Leafhopper on Woody Ornamentals
- Rhododendron Borer
- Tuliptree Scale
- Twospotted Spider Mite
- Viburnum Leaf Beetle
- Yellownecked Caterpillar
- White Pine Weevil