Plant and Insect Diagnostic Clinic
Sometime in January, certain lab telephones will be migrating to a new system. There may be some disruptions in reaching us via phone for an unknown period of time. If you do not get a reply via phone or if nobody answers, please email us at pidc@iastate.edu. Thank you for your understanding.
Services We Offer
Here are the types of samples we accept for diagnosis:
- Whole plants or plant part problems
- Identification of insects, spiders, ticks, mites, and other arthropods from outdoors/indoors
- Soybean cyst nematode egg counts
- Complete soil nematode counts
Services We Do NOT Offer
- Weed/plant identification (contact your local Extension office for help)
- Tick disease testing
- Mushroom identification
- Pesticide residue testing
- Soil and plant nutrient analyses
- Insects or arthropods causing skin irritation in humans or animals
- Herbicide resistance testing
What We Do
Iowa State University Plant & Insect Diagnostic Clinic is supported by funding from ISU Extension & Outreach, ISU Department of Horticulture, ISU Department of Plant Pathology, Entomology, & Microbiology, ISU Integrated Pest Management, and the National Plant Diagnostic Network.