PeerJ Author 135 Points Contributions by role Author 135 Contributions by subject area Ecology Ecosystem Science Entomology Plant Science Natural Resource Management Jessica Tingle PeerJ Author Summary Past or current institution affiliations University of California, Riverside Work details PhD Student University of California, Riverside Evolution, Ecology, and Organismal Biology PeerJ Contributions Articles 1 March 31, 2016 Spillover of a biological control agent (Chrysolina quadrigemina) onto native St. Johnswort (Hypericum punctatum) Jessica L. Tingle, Susan C. Cook-Patton, Anurag A. Agrawal https://doi.org/10.7717/peerj.1886 PubMed 27069816