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Submit a Milkweed or Monarch Observation

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International Monarch Monitoring Blitz: From July 29th to August 5th 2017, the MLMP Milkweed and Monarch Observation reports will contribute to the International Monarch Monitoring Blitz! With enough reports, your information will provide a snapshot that helps scientists understand the range and population size of late summer breeding monarchs across North America. To learn more about the Blitz, read this Monarch Joint Venture News Update.


This section is for monarch observations that are not made at regular MLMP monitoring sites or for relevant non-monarch observations. If you are a regular MLMP volunteer who observed a monarch in a site that you don't monitor regularly or if you aren't a regular monitor, your observations can still help us understand monarch distribution and abundance. We need to know the date and location of your observation, and as much as you can tell us about the developmental stage of the monarch.

If you are entering an observation of a monarch you collected as an egg, larva, or pupa, and reared inside until it died, became an adult monarch, or produced parasitoids, please login as a “regular” volunteer.

You can also report other noteworthy observations. For example, you may have collected a queen larva at your site that was parasitized by a tachinid fly. For non-monarch observations, please be sure to record the details of the observation in the “Observation Details” box at the bottom of this form.

Please fill in as much of the following information as you can. If you have questions, please contact MLMP. To see the list of submitted anecdotal observations, click here.

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Personal Information

Registered volunteers, login to skip entering your personal information. (Choose the link on the Main Menu to “submit a milkweed or monarch observation”).

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Observation Information

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Location of Observation

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State/Province:
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: Find Latitude - Longitude coordinates for location
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What is the area of the site you checked for monarchs? (Make sure to enter units.) Web tool to calculate area on a map (Instructions)

Milkweed Species

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How many milkweed plants did you check for monarchs?

Quantity and Stages of Monarchs Seen:
(See Instar Identification Guide)

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Please enter the words you see to the right: