Monarch butterflies are a well-known insect species to many people in North America. Their colorful bodies and migratory behavior, along with their ubiquity in popular culture and advertising, makes them a familiar presence in many communities. Risks to monarch populations, such as habitat loss and potential negative impacts of agricultural practices and technologies, create a sense of threat and potential loss to people who have established a connection with the species. This connection, paradoxically, exists in large part because of co-engineered landscapes and agricultural practices that brought human food systems into proximity and cohabitation with the monarch. In this article, we explore the creation of these co-produced environments that created spatial intersections and affinities between humans and butterflies—especially via the great midwestern U.S. corn belt. We argue that these intermingling environments of humans and nonhumans have created a space for what we term interspecies agency, a space that locates and animates contemporary debates about the impact of industrial food systems on species like the monarch, and reveal a contested set of cultural and material discourses that inform larger concerns about human-environmental relationships and visions of our interspecies future.