MSU Plant & Pest Diagnostics provides plant health analyses and identification of nematodes, weeds, insects, and other arthropods.

Services and fees Submittal forms How to submit a sample

***Important notice to all our clients***

Effective March 25, 2020, MSU Plant & Pest Diagnostics is no longer accepting dropped-off samples or walk-in consultations.  We are still open for business for all samples that are mailed to the lab, we recommend that you use USPS mail to ship samples.  We strongly encourage clients to begin emailing digital images prior to mailing physical samples. Images can be sent to

If you plan to submit samples, please email us at  Please do not ship samples on Fridays.

Due to the current circumstances, please allow additional processing time.  Thank you for your understanding.

For more information on the impact of COVID-19 on university operations, please visit MSU’s 2019 Novel Coronavirus website at

We assist a wide variety of people experiencing problems with plants and pests. Samples may be submitted to the lab by mail or dropped off at our facility. We will analyze the sample for a nominal fee and provide a diagnosis or identification of the problem as well as recommendations for control.

Services offered

Here are some of the samples we accept for diagnosis:

Note: If a pest or pathogen of regulatory concern is detected in a sample, we are obligated to notify the proper regulatory officials (ex. MDARD, USDA).

Services not offered

WE CANNOT ACCEPT MEDICAL MARIJUANA samples due to MSU compliance with federal policy.
For more information, please see FAQS on MSU and Marijuana.

Other services we do not offer:

  • Soil and plant nutrient analysis. MSU’s Soil and Plant Nutrient lab is a separate facility and can help you.
  • Mushroom identification.
  • Identification of household mold.
  • Pesticide residue / Mycotoxin testing.
  • Examination of bites or skin irritations on humans and animals.
MSU Plant & Pest Diagnostics, Center for Integrated Plant Systems (CIPS), 578 Wilson Rd., Rm. 107, East Lansing, MI 48824-6469


Michigan State University Plant & Pest Diagnostics is supported by funding from Project GREEEN, MSU Extension and the National Plant Diagnostic Network.

Logos-grouped Aug 2019