1. School of Biological Sciences University of Auckland Private Bag 92019 Auckland 1010 New Zealand
2. Plant Health & Environment Laboratory, Ministry for Primary Industries PO Box 2095 Auckland 1140 New Zealand
3. School of Science Auckland University of Technology Private Bag 92006 Auckland 1142 New Zealand
4. Tonkin and Taylor 711 Victoria Street Hamilton 3204 New Zealand
5. Manaaki Whenua—Landcare Research Private Bag 3127 Hamilton 3240 New Zealand
6. Environmental Research Institute, School of Science The University of Waikato Hamilton 3240 New Zealand