Photo: Biosecurity NZ
Biosecurity official estimate it's costing about $1 million a month to try to get on top of an incursion of exotic yellow-legged hornets in Auckland.
Thirty-one queen hornets (Vespa velutina) have been found around the city's Glenfield and Birkdale areas since the first discovery in mid-October.
The Ministry for Primary Industries was trapping within 5km of the detections, putting more staff on the ground and engaging tracking technology from abroad.
Horticultural sectors were concerned about the impact the predatory hornet could have on New Zealand's honey bee popula
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