The willow leaf beetle Chrysomela aeneicollis lives at high altitude in the South-central Sierra Nevada, from near Mount Whitney to Yosemite. This California insect has been the focus of studies of ‘Evolution in Action’ since the 1980s, when Dr. John Smiley (former WMRC station manager) and then graduate student Nathan Rank conducted experiments examining relationships… Continue reading WMRC Lecture Series: Insect population ecology in the Sierra Nevada- a 40 year perspective with Dr. Nathan Rank