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Insects
PSU County Extension Offices - To make sure you know exactly what your problem pest is, take samples to your local extension office for free ID! Also get gardening tips/handouts, and expert advice.
Identifying Vegetable Insect Pests in PA (PDF) - 6-page publication with descriptions and color photographs of common vegetable pests, from PA IPM.
How to Treat Common Garden Pests (PDF) - Solutions for some specific pests such as aphids, japanese beetles, and grubs.
25 Pests You Don't Want in Your Garden - A collection of insect pest sheets for the home garden with photographs and control recommendations. Download the entire file (1.2 MB PDF- this is a large file!) or the individual pest sheets listed below as PDF files. Produced by PA IPM.
- Aphids
- Asparagus Beetle
- Bean Leaf Beetle
- Cabbage Looper
- Cabbage Maggot
- Colorado Potato Beetle
- Corn Earworm (Tomato fruitworm)
- Cutworm
- Diamondback Moth
- European Corn Borer
- Flea Beetles
- Imported Cabbageworm
Other Resources on Insects
- Aphids - Biology, prevention, & less toxic controls, from Central San Less-toxic Home & Garden
- Aphids on Ornamentals - PSU Entomology fact sheet
- Aphids on Ornamentals - En Español
- Aphid (Green Peach Aphid) on Peppers - PSU Entomology fact sheet
- Asparagus Beetle - PSU Entomology fact sheet
- Beans - Insect Identification & Control in the Home Garden - PSU Entomology fact sheet
- Bean Seed Maggot - PSU Entomology fact sheet
- Bulbs - Insect Identification & Control in the Home Garden - PSU Entomology fact sheet
- Cabbage Maggot - PSU Entomology fact sheet
- Colorado Potato Beetle - PSU Entomology fact sheet
- Corn Flea Beetle - PSU Entomology fact sheet
- Corn Earworm in Sweet Corn - PSU Entomology fact sheet
- Corn Rootworm in Sweet Corn - PSU Entomology fact sheet
- Diamondback Moth - PSU Entomology fact sheet
- European Corn Borer on Peppers - PSU Entomology fact sheet
- Insect Control Strategies for Vine Crops - PSU Entomology fact sheet
- Insect Control Strategies for Vine Crops - PSU Entomology fact sheet
- Managing the Japanese Beetle - A Homeowner's Handbook - Comprehensive control guide for beetles & grubs with IPM tactics, from USDA APHIS
- Mexican Bean Beetle
- Northern Corn Rootworm
- Potato Leafhopper
- Slug
- Spotted cucumber beetle (Southern corn rootworm)
- Squash Bug
- Squash Vine Borer
- Stink Bug
- Striped cucumber beetle
- Tarnished Plant Bug
- Tomato Hornworm
- Wireworm
- Japanese Beetle on Ornamentals - PSU Entomology fact sheet
- Japanese Beetle on Ornamentals [En Español]
- Leafy Vegetables - Insect Identification & Control in the Home Garden - PSU Entomology fact sheet
- Onion Thrips - PSU Entomology fact sheet
- Pests of Vegetables - PSU Entomology fact sheet
- Potato Leafhopper - PSU Entomology fact sheet
- Root Crops - Insect Identification & Control in the Home Garden - PSU Entomology fact sheet
- Slugs & Snails - Less-toxic controls for the garden, from Central San Home & Garden
- Ugh! Slugs (PDF) - Pesticide free solutions to slug problems, from NCAP
- Slugs and Their Control - PSU Entomology fact sheet
- Squash Bug - PSU Entomology fact sheet
- Squash Vine Borer - PSU Entomology fact sheet
- Sweet Corn - Insect Identification & Control in the Home Garden - PSU Entomology fact sheet
- Sweet Corn Thresholds - PSU Entomology fact sheet
- Tarnished Plant Bug - PSU Entomology fact sheet
- Thrips on Cabbage - PSU Entomology fact sheet
- Vegetable Insect Pest Management Sources of Information - PSU Entomology fact sheet
- Vine Crops - Insect Identification & Control in the Home Garden - PSU Entomology fact sheet
- Vinegar flies - PSU Entomology fact sheet
- Vinegar flies [En Español]