The Goldenrod and the Gallfly: The Evolution of an Interaction is a 37-minute educational video produced by Paul Heinrich (Hemlock Scientific Films) and narrated by Warren Abrahamson. It is copyrighted (2001) by Bucknell University and is available here for educational use. The video illustrates the natural history of the multi-trophic-level system and discusses the ecology and evolution of the interacting organisms. It demonstrates how with careful, thorough observation and relatively simple tools, researchers have discovered details of the organisms’ evolutionary ecology.
A mp4 version of The Goldenrod and the Gallfly video is hosted by Bucknell University. Depending on your connection speed, allow time for the video to load. Use your browser’s back button to return to the goldenrod gallfly web page.
The producers thank Bucknell University and the National Science Foundation for their support and assistance. All views expressed in the video are those of the authors and do not necessarily reflect those of Bucknell University or the National Science Foundation.