Northland biosecurity: Wasps recruited to kill Northland s willow aphids
27 Apr, 2021 05:00 PM
3 minutes to read
Tiny parasitic wasps are released into willows by Northland Regional Council nursery coordinator Matthew Mabbitt at the NRC s Mata poplar and willow nursery near Whangārei.
Tiny parasitic wasps are released into willows by Northland Regional Council nursery coordinator Matthew Mabbitt at the NRC s Mata poplar and willow nursery near Whangārei.
Northern Advocate
One of the released Pauesia nigrovaria wasps with a ballpoint pen nib for scale.
SUP270421NADwasps4.JPG The target pest; giant willow aphids which feed on willows in large numbers producing a sticky honeydew. The insects can damage – or even kill – infested trees.
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