pine stem nematode (found in Canada, Mexico, the USA, China, Portugal, Spain, Korea, Vietnam, the distribution is rapidly increasing due to the fact that longhorn beetles are the main vectors);
i-pine stem nematode (etholakala eCanada, eMexico, e-USA, eChina, ePortugal, eSpain, eKorea, eVietnam, ukusatshalaliswa kukhula ngokushesha ngenxa yokuthi amabhungane ama-longhorn angabavoti abaphambili);