The ability of National Plant Protection Organisations (NPPOs) to quickly and reliably detect and identify nematodes is critical for effective phytosanitary measures to be taken and to ensure safe transnational movement of plants and plant products. Laboratories are increasingly working under quality assurance systems (including accreditation) and need to have access to validated tests. In order to enable the development, validation and use of tests for the detection and identification of nematodes, it is essential that reference materials be well maintained and accessible. From 1 October 2013 to 30 September 2015, an EU project named Q-collect was funded by the EU Commission. The project aimed to improve the status of reference collections...