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Home Landscape Insects
PSU County Extension Offices - To make sure you do not waste your time and money treating the wrong pest, call your county office for free pest ID services, gardening tips/handouts, and expert advice.
Home and Garden Information Center Plant Diagnostics - Diagnose your plant pest problems online with photos and management principles based on IPM, from University of Maryland.
How to Treat Common Garden Pests (PDF) - Solutions for some specific pests such as aphids, japanese beetles, and grubs, from PSU Franklin County Extension
Roses in the Garden and Landscape: Insect and Mite Pests and Beneficials (PDF) - Fact sheet from Univ.California Davis IPM
Aphids on Ornamentals [Spanish version] - PSU Entomology fact sheet
Asian longhorned beetle - Pest alert from Forest Service on invasive beetle that attacks trees--very important to notify officials if you suspect you've found one
Ants in Home Lawns - PSU Entomology fact sheet
Bagworm [Spanish version] - PSU Entomology fact sheet
Getting a grip on Bagworm - from the "York Daily Record"
Hemlock woolly adelgid - PSU Entomology fact sheet
Lace bug on deciduous woody ornamentals - PSU Entomology fact sheet
Two spotted spider mite - PSU Entomology fact sheet
Managing the Japanese Beetle - A Homeowner's Handbook - Comprehensive control guide for beetles & grubs with IPM tactics, from USDA APHIS