Pests & Diseases

The primary in­sect problems in Ohio are the alfalfa weevil and the potato leafhopper in alfalfa. The alfalfa weevil is primarily active in the spring while the potato leafhopper is active during the sum­mer months. Both can cause severe yield and quality losses in alfalfa. The factsheets below provide more information.

2021 Fall Armyworm Outbreak
Managing the Pest

Fall armyworm feeding on red clover


Forage Pest FactSheets

Images of potato leafhopper.