The OSU C. Wayne Ellett Plant & Pest Diagnostic Clinic Will Reopen April 15, 2020

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Beginning Wednesday, April 15, 2020 the Ohio State University (OSU) C. Wayne Ellett Plant & Pest Diagnostic Clinic, located in Reynoldsburg, will reopen on a part-time basis.  The Clinic will be accepting plant samples for disease diagnosis via package deliver only (USPS, UPS, etc.). No face-to-face drop off of samples can be accepted at this time.


You will need to complete a form that should accompany the sample or samples that are being sent to the lab. There are three different forms - general, turf and nematode. The forms can be found on the clinic's website and we have provided a link for the the general form at:

The clinic's mailing address is:

C. Wayne Ellett Plant & Pest Diagnostic Clinic

8995 E. Main Street

Building 23

Reynoldsburg, Ohio 43068-3399


Insect samples received will be held for identification until the OSU Columbus campus is reopened. Digital images of samples for diagnosis are currently being accepted and can be e-mailed to:


In addition, both the OSU Vegetable Pathology and the Fruit Pathology Laboratories are open on a limited basis as of Monday, April 13, and accepting samples for diagnostics from commercial vegetable and fruit growers.  For complete information before sending samples to either Pathology Laboratory, see: