New Zealand's hornet eradication faces critical spring test
New Zealand spent more than NZ$12 million to eradicate yellow-legged hornets. Spring emergence of any surviving queens will determine success.
New Zealand has found no trace of yellow-legged hornets since the last nest was detected in late March. Extensive winter surveillance and beehive monitoring found nothing.
This gives officials cautious hope that eradication worked. The real test comes now as spring arrives.
Any surviving queens will wake from hibernation. A single queen can start an entirely new colony.
It begins with a nest the size of a tennis ball. These nests hide under eaves or in hedges.
Research shows that nearly one-third of the hornet diet consists of honey bees. This makes them devastating for beekeeping.
It also harms pollination of crops like kiwifruit and avocados. Officials will watch more closely over the next few months.
They are looking for any signs of spring activity.
- NZ$12 million
- Government investment
- Late March
- Last nest detected
- Nearly one-third
- Hornet diet from honey bees
Why it mattersOne surviving queen could undo a multi-million-dollar eradication. It would devastate New Zealand's beekeeping and horticulture industries.
AustraliaNo direct effect yet on Australia, but success or failure in New Zealand will inform biosecurity responses to similar invasive species in Australian agriculture and horticulture.
✓ Claims checked against the source and corrected before publish. checked 2 d ago
