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Tree pest and disease threats to New Zealand

Find out about some of the pests and diseases that threaten our trees – native, urban, and forest. These pests and diseases are a priority for Biosecurity New Zealand. They're not in New Zealand and we want to keep it that way.

In this section

I tēnei wāhanga

Asian longhorn beetle

Ceratocystis wilt

Daño foliar del pino

Dothistroma needle blight

European pine shoot moth

Spongy moth

Mountain pine bark beetle

Nun moth

Painted apple moth

Pine pitch canker

Pine processionary moth

Pine shoot beetle

Pinewood nematode carried by the sawyer beetle

Sudden oak death

Western gall rust