PeerJ Author 135 Points Contributions by role Author 135 Contributions by subject area Biodiversity Ecology Entomology Evolutionary Studies Population Biology Anniina L. K. Mattila PeerJ Author Summary Past or current institution affiliations University of Helsinki PeerJ Contributions Articles 1 June 18, 2021 Evolutionary and ecological processes influencing chemical defense variation in an aposematic and mimetic Heliconius butterfly Anniina L. K. Mattila, Chris D. Jiggins, Øystein H. Opedal, Gabriela Montejo-Kovacevich, Érika C. Pinheiro de castro, W. Owen McMillan, Caroline Bacquet, Marjo Saastamoinen https://doi.org/10.7717/peerj.11523 PubMed 34178447