Submit a Sample

Preparation depends on the type of specimen you are submitting. Be sure to review and follow the instructions for your sample.

Arthropod Identification

We now charge a $15 fee for arthropod identification. This fee applies to both physical and digital image samples. 


Step 1: Prepare Your Sample

It’s important to include all the necessary elements we need to diagnose your sample. Please follow the instructions listed in the General Instructions PDF.

General Instructions

For plants and agricultural arthropods.


Step 2: Select a Service

Diagnostics Service Fees





General Diagnosis May require qdditional tests $30
Agricultural Insect Identification No body tissue or fluid samples accepted $15
Plant Identification Physical specimen or digital image $25
Virus Testing Serological – ELISA $50, additional samples $10
Molecular Detection Conventional PCR $50, additional samples $10
Molecular Detection Quantitative PCR $80, additional samples $10
Potato Speciality Testing Blackleg Soft and Bacterial Ring Rot, Powdery Scab, Black Dot contact us for pricing
Evergreen Tree Tests Pine Wilt contact us for pricing
Corn Tests Bacterial Leaf Streak contact us for pricing

Step 3: Complete Submission Form

If you need us to identify an agricultural insect, please select the Arthropod form. Otherwise, you just need to fill out the general submission form.

Do You Have Multiple Samples?

If you want to submit multiple samples in one mailing, we need a completed submission form for each sample.

Powdery mildew on squash.

General Submission Form

  1. Fill out this form for all submissions, except for arthropods.
  2. Download and print form
  3. Please mail the form with your prepped sample
Crucifer flea beetle.

Agricultural Arthropod Submission Form

  1. If you have an agricultural arthropod please use this form
  2. Download and print form
  3. Please mail the form with your prepped sample


Step 4: Deliver Your Sample

We still recommend mailing your sample if possible. Finding our lab can be challenging and parking is sometimes difficult. Also, remember our mailing address is different from our physical address.

Plant Sciences Building
Plant Sciences Building

Mailing Address

Plant Diagnostic Clinic
1177 Campus Delivery
Colorado State University
Fort Collins, CO 80523

Physical Address

307 University Ave
Fort Collins, CO 80521

Place your sample in the Drop Box located right inside the main entryway to the building.


Our building is a challenge to find. Use the links to maps for assistance.

View on CSU Interactive Map
Navigate on Google Maps

Nearest Parking Lots on Google Maps

Pay to Park Lot 349
Pay to Park Lot 442
Bus Stop @ University & Libby Coy


Step 5: Get Your Results

When we have completed your analysis we will mail you a full report of our analysis. We will also send you an invoice for our services. Please remit payment upon receipt.

Contact Us

If you have questions regarding plant disease or agricultural arthropod identification please get in touch.

Please Note: We are unable to accept or identify any samples from body fluids or tissue.

Clinic Director: Ana Cristina Fuladolsa, Ph.D.
Phone: (970) 491-6950
Fax: (970) 491-3862