About the Authors

David C. Cook

david.cook@agric.wa.gov.au

Affiliations Department of Agriculture and Food Western Australia, Bunbury, Western Australia, Australia, Cooperative Research Centre for National Plant Biosecurity, Bruce, Australian Capital Territory, Australia

Rob W. Fraser

Affiliation Department of Economics, The University of Kent, Canterbury, Kent, United Kingdom

Dean R. Paini

Affiliations Cooperative Research Centre for National Plant Biosecurity, Bruce, Australian Capital Territory, Australia, CSIRO Ecosystem Sciences, Canberra, Australian Capital Territory, Australia

Andrew C. Warden

Affiliation CSIRO Ecosystem Sciences, Canberra, Australian Capital Territory, Australia

W. Mark Lonsdale

Affiliation CSIRO Ecosystem Sciences, Canberra, Australian Capital Territory, Australia

Paul J. De Barro

Affiliations Cooperative Research Centre for National Plant Biosecurity, Bruce, Australian Capital Territory, Australia, CSIRO Ecosystem Sciences, Canberra, Australian Capital Territory, Australia

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: DCC PJDB RWF. Performed the experiments: DCC ACW. Analyzed the data: DCC RWF DRP. Contributed reagents/materials/analysis tools: DCC DRP ACW. Wrote the paper: DCC RWF ACW PJDB WML.