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A description of common pests and diseases of poplar and willow in New Zealand.
Topics: Diseases; Nursery; Pests; Poplar Information; Trees for the Farm; Willow Information;
Document Type: Publications;
Two wide-spaced trials were planted on each of two farms in Tararua District to evaluate the effect of sap-sucking Tuberolachnus salignus, giant willow aphid (GWA), on ‘Tangoio’ tree willow growth
Topics: Pests; Giant Willow Aphid Tuberolachnus salignus ; Willow Information;
Document Type: Research Briefs;
Have you seen this unusual insect on your poplar trees? If you have spotted it we want to know! There are no other yellow/ orange caterpillars with black spots that feed on poplar leaves.
Topics: Pests; Poplar Information;
Document Type: Fact Sheets;
Topics: Pests; Willow sawfly, Nematus oligospilus;
Document Type:
Topics: Pests; Willow sawfly, Nematus oligospilus;
Document Type:
Topics: Pests; Giant Willow Aphid Tuberolachnus salignus ;
Document Type:
Willow sawfly was first discovered in Auckland in 1997, and is now found throughout New Zealand.
Topics: Pests; Willow sawfly, Nematus oligospilus;
Document Type: Fact Sheets;
Giant Willow Aphid, Tuberolachnus salignus was first sighted and reported in December, 2013 from Auckland. As of March 2014 it can be found throughout the North Island and as far as Clyde in the South Island. This aphid dispersed at a very rapid rate.
Topics: Pests; Giant Willow Aphid Tuberolachnus salignus ;
Document Type: Fact Sheets;