See All Pest, Disease and Weed Identification

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Louis Tedders, USDA Agricultural Research Service, Bugwood.org
Tarnished Plant Bug - Articles Articles
Plant bugs are a large, diverse family of insects that feed by sucking sap from plants, especially parts with high rates of cell division like buds and flowers. More
Pest Alert - Omnivorous Leafroller
Pest Alert - Omnivorous Leafroller - Articles Articles
The omnivorous leafroller has recently been confirmed in a greenhouse in Pennsylvania. Your assistance is needed in monitoring this pest indoors and outdoors in Pennsylvania. More
Pest and Plant Disease Prediction Tools
Pest and Plant Disease Prediction Tools - Articles Articles
There are several online tools to help you monitor and keep up to date on the proximity and likelihood for pests and plant diseases. More
Tomato late blight. Photo credit Beth Gugino, Penn State Plant Pathology.
Plant Disease Basics - The Disease Triangle - Articles Articles
Disease management begins with the fundamental understanding the three factors must be present and interact for disease to develop. More
Photo credit: B. Gugino
Plant Disease Basics and Diagnosis - Articles Articles
A plant disease is a dynamic process where a living or nonliving entity interferes with the normal functions of a plant over a period of time. More