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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
Document Type: Research Briefs;
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.
Document Type: Fact Sheets;