Acknowledgements

The authors would like to thank the Cairns, Thursday Island and Seisia offices of the Northern Australia Quarantine Strategy (NAQS - Australian Government Department of Agriculture) for support throughout this project. In particular, the authors thank Dr. Barbara Waterhouse and Dr. Sally Cowan for logistical support, technical knowledge and provision of samples, as well as Harold Matthew and Ilana Foster for invaluable assistance in running the field experiments. The authors also acknowledge the Torres Strait Regional Authority, Torres Shire Council, Kaurareg Native Title Aboriginal Corporation, Northern Peninsula Area Regional Council, Seisia Enterprises, Apudthama Land Trust, and MyPathways who provided permission and support to conduct experiments within the Torres Strait and the Northern Peninsula Area. Thanks also to Dr. Mallik Malipatil and Dr. Peter Ridland for assistance with morphological identifications and provision of some leafminer samples, and Dr. Olivia Reynolds for technical support on the manuscript. Finally, we thank the two anonymous reviewers for their thoughtful comments.