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. SUP270421NADwasps4.JPG The target pest; giant willow aphids which feed on willows in large numbers producing a sticky honeydew. The willow trees also suffer from the aphid infestation, experiencing branch dieback and occasionally death. The target pest; giant willow aphids which feed on willows in large numbers producing a sticky honeydew.

Source: New Zealand Herald April 27, 2021 17:03 UTC