The ISU Plant and Insect Diagnostic Clinic staff can diagnose plant health problems caused by diseases, insects or the environment. Also, they also can identify insects, plants/weeds, and fungi. Once they have diagnosed your disease or identified your insect pest, they can advise you on the best course of action to take.
Services, forms, and fees* for Iowa residents. Do not send money with your sample**.
|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|
* All our applies to standard morphological and microscopic diagnosis. Contact us before submitting an out-of-state sample for fees and restrictions. Additional fees may apply for specialized media, molecular and serological-based diagnostic methods. We will contact you before testing.
**Your will receive an invoice with your diagnostic report. You will receive a billing statement from Iowa State University with billing information and where to submit payment.
***Fee applies for routine processing, standard morphological and microscopic diagnosis. Molecular and serological-based diagnostic methods may be available for additional fee, see details at Plant Problem Diagnosis page.
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
Directions to the clinic from I-35, as well as a map of our location on Iowa State University's campus, can be found here.
Phone: (515) 294-0581
Contact us via e-mail accepted at firstname.lastname@example.org for general questions, email@example.com for insect questions, or try our webform
check out our video What Happens to a Sample at the Plant and Insect Diagnostic Clinic