Monarch butterflies have become an increasingly hot topic in recent decades, and especially in the last couple of years. Conversations about monarchs often revolve around topics like their migrations, the importance of milkweeds, or other flowers we can plant for monarchs. Rarely do the topics of monarch health or monarch diseases come up. Yet these can also be fascinating and important topics to learn about and discuss.

In this episode of the Backyard Ecology podcast, we are joined by Dr. Sonia Altizer and Kade Donaldson. Sonia is a Professor of Ecology at the University of Georgia and Kade is the Project Manager for Monarch Health which is a community science project based out of the University of Georgia.

Most of our conversation revolves around the tiny protozoan, Ophryocystis elektroscirrha, more commonly referred to by its initials: OE. OE is a parasite of monarch butterflies that has been interacting with monarchs for the past several centuries, at least, and likely for almost as long as there have been monarchs. However, over the last couple of decades, something has changed.

OE has gone from being relatively rare to infecting very high percentages of some monarch populations. Exactly what has changed is still a topic of ongoing research, but the increased prevalence of OE appears to correlate to changes in human activities. The goal, therefore, is to determine what has changed and find ways to keep OE from spreading any more than it would naturally spread.

One of the ways that OE infections are being studied is through Project Monarch Health. Project Monarch Health is a community science project that asks members of the public to help document OE infections throughout the country. Anyone can participate in this project which is based out of the University of Georgia, and we talk about Project Monarch Health quite a bit during our conversation.

Other topics that we discussed are some of the common questions they get through Project Monarch Health. Those questions include ways people can help monarch butterflies and inquiries about raising monarchs. We also talked about how monarchs are only one part of the larger ecosystem. Protecting and conserving monarchs can also help lots of other organisms, but we need to be careful not to get so focused on monarchs that we lose sight of the big picture.

Links:

Episode image

  • Male monarch butterfly
  • Photo credit: Sonia Altizer, all rights reserved

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