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Photos and artwork submitted by our MLMP volunteers around the world.

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Online Monarch Larva Monitoring Program Training Events

Become a citizen scientist with MLMP! The MLMP team from the UW-Madison Arboretum and the MJV co-lead virtual one-day trainings on how to collect data that contributes to our knowledge about the monarch population. Volunteers also have the option to take an asynchronous training on the Monarch NECTAR Hub. Check out our Training page to learn more!

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Join Us

Find out how to participate in the Monarch Larva Monitoring Project.

Get Started

The Monarch Larva Monitoring Project (MLMP) involves volunteers around the world in monarch research.

MLMP was developed in 1997 by researchers at the University of Minnesota to collect long-term data on larval monarch populations and milkweed habitat.

Learn more about MLMP

Steps to Get Involved

1. Get Trained

You can train online, attend a training session given by a trainer in your region, or attend a spring virtual workshop.

2. Sign Up

If you'd like to commit to regularly monitoring one or more sites, please fill in the information below to create your account.

3. Go Monitor

Choose the MLMP activities that interest you and help us track monarch populations and understand monarch use of available habitat.

4. Submit Data

Use the MLMP data portal to submit a milkweed or monarch observation!