Plant and Insect Diagnostic Clinic

green with tan spot that has black pycnidia in the shape of a smiley face

The Plant & Insect Diagnostic Clinic will be closed on Monday, May 29th for Memorial Day. Phone and email messages received on that day will handled the next day. 

The Plant and Insect Diagnostic Clinic provides diagnoses of plant problems (plant diseases and insect damage) and the identification of insects from the field, garden, and home. The PIDC is a joint effort between Iowa State University Extension & Outreach and the Plant Pathology, Entomology, Horticulture, and Agronomy departments.