Current biosecurity threats
Find out which new pests and diseases are currently on our radar or being actively managed and how you can help protect our region. These biosecurity threats, including HPAI, caulerpa, madagascar ragwort, invasive freshwater clam, and sea spurge, have recently emerged or continue to spread, and we’re working hard to monitor and manage them.
Yellow-legged hornets (Vespa velutina) are a non-native pest hornet not known to be established in New Zealand.
A serious threat to Northland’s freshwater ecosystems.
Madagascar ragwort is a pasture weed that is rapidly spreading in Northland.
Find out where there are legal restrictions in place and what you can do to help stop the spread.