Plant and Insect Diagnostic Clinic staff diagnose plant health problems, identify insects, plants/weeds, and fungi. Please follow links below for detailed information about our services and how to submit samples.
Services, forms, and fees* for Iowa residents.
Do not send money with your sample, you will receive a statement from ISU after your diagnosis is complete.
|Services (follow the link for service and sampling details)||Submission Form||Fee|
|Plant Problem Diagnosis (disease, insect, herbicide visual assessment, abiotic)||PIDC 45 - Form||$20.00*|
|Plant and Weed Identification||PIDC 45 - Form||$10.00|
|Mushroom Identification||PIDC 45 - Form||$10.00|
|Insect Identification||PIDC 45 - Form||$10.00|
|Soybean Cyst Nematode (SCN) egg count||PIDC 32 - Nematode Form||$20.00|
|Nematode Identification (corn, turfgrass, fruit, and vegetables, etc.)||PIDC 32 - Nematode Form||$35.00|
* Fee is for standard morphological and microscopic diagnosis. Additional fees may apply for specialized media, molecular and serological-based diagnostic methods. Molecular and serological-based diagnostic methods may be available for additional fee, see details at Plant Problem Diagnosis page. We will contact you before any additional testing.
Contact us before submitting an out-of-state sample for fees and restrictions, or contact you local diagnostic clinic on the National Plant Diagnostic Network- NPDN
Contact Information and Directions
Plant and Insect Diagnostic Clinic
2200 Osborn Dr.
327 Bessey Hall
Iowa State University
Ames, IA 50011