PeerJ Author 235 Points Contributions by role Author 235 Contributions by subject area Agricultural Science Entomology Toxicology Graham R Ansell PeerJ Author Summary Agricultural Science Entomology Toxicology PeerJ Contributions Articles 2 February 23, 2021 Contact toxicity of three insecticides for use in tier I pesticide risk assessments with Megachile rotundata (Hymenoptera: Megachilidae) Graham R. Ansell, Andrew J. Frewin, Angela E. Gradish, Cynthia D. Scott-Dupree https://doi.org/10.7717/peerj.10744 PubMed 33665008 January 18, 2019 Potential surrogate plants for use in semi-field pesticide risk assessment with Megachile rotundata Andrew J. Frewin, Angela E. Gradish, Graham R. Ansell, Cynthia D. Scott-Dupree https://doi.org/10.7717/peerj.6278 PubMed 30687587