Biostatus and Distribution
This adventive sawfly from the Northern Hemisphere was first found in New Zealand, in Auckland in February 1997. It is now present in the North and South islands. It feeds on most species of willow. Some trees may be defoliated. It is one of three species of willow feeding sawflies in New Zealand.
This adventive sawfly from the Northern Hemisphere was first found in New Zealand, in Auckland in February 1997. It is now present in the North and South islands. It feeds on most species of willow. Some trees may be defoliated. It is one of three species of willow feeding sawflies in New Zealand.
Conservation status: Widespread, a minor pest of some species of willow. It can weaken willow trees used to protect river banks. Biostatus and Distribution
This adventive sawfly from the Northern Hemisphere was first found in New Zealand, in Auckland in February 1997. It is now present in the North and South islands. It feeds on most species of willow. Some trees may be defoliated. It is one of three species of willow feeding sawflies in New Zealand.
This adventive sawfly from the Northern Hemisphere was first found in New Zealand, in Auckland in February 1997. It is now present in the North and South islands. It feeds on most species of willow. Some trees may be defoliated. It is one of three species of willow feeding sawflies in New Zealand.
Conservation status: Widespread, a minor pest of some species of willow. It can weaken willow trees used to protect river banks.
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