Pest and plant disease identification

No. We don’t do pest control, spraying, lawn treatments or tree care. For a sick or damaged tree, hire an ISA Certified Arborist. If you hire someone to apply pesticides, check that they hold the license your state requires; our pesticide applicator license guide covers each state. What we do in central Pennsylvania is the ground work: beds, drainage, grading, patios and walls.

7 entries carry a federal or state quarantine or reporting rule: Asian longhorned beetle, Box tree moth, Boxwood blight, Japanese beetle, Spongy moth, Spotted lanternfly and Sudden oak death. Each of those pages has a red notice that explains the rule and who to contact.

24 entries were brought in from outside the US, according to our sources: Asian longhorned beetle, Asiatic garden beetle, Beech bark disease, Beech leaf disease, Box tree moth, Crapemyrtle bark scale, Dogwood anthracnose, Dutch elm disease, Elongate hemlock scale, Emerald ash borer, European chafer, European crane fly, European pine sawfly, Hemlock woolly adelgid, Japanese beetle and 9 more. Use the Invasive filter above to see them all.

Each page lists its sources at the bottom: university extension services, USDA agencies and state agriculture departments. The ones we lean on most are Penn State Extension, UC IPM, Pennsylvania state agencies and Purdue Extension.

Product labels differ from one product to the next and they change, and the label is the law. Where an extension source names a type of product or an active ingredient, the page says so. Always use a product labeled for that pest and that site, and follow the label.