13min film Bandits of the Beech Forest - Gives insight into the impact of wasps in New Zealand ecosystems. Also shows the scale insect that produces honeydew for so many natives.
This is a link to a DOC fact sheet on wasps (NOT concessions & permits).
NZ innovation shines in war against wasps
Radio NZ story on the 'War on Wasps' in the Abel Tasman National Park
No more holidays ruined
DOC: Wasp information