Movie S1.

“Typical” sized male and female C. columbae copulating. Female on top, male on bottom. Dimorphism score = -346μm.

Rapid experimental evolution of reproductive isolation from a single natural population

Scott M. Villa, Juan C. Altuna, James S. Ruff, Andrew B. Beach, Lane I. Mulvey, Erik J. Poole, Heidi E. Campbell, Kevin P. Johnson, Michael D. Shapiro, Sarah E. Bush, and Dale H. Clayton

PNAS. 2019. 116:13440-13445 DOI: 10.1073/pnas.1901247116