Xiphinema insigneXiphinema insigne is a plant pathogenic nematode infecting tea. They are known to infect cacao trees.DistributionThey are known to live in the Philippines. It also resides in China, where it is the most common of all of the Xiphinema nematodes.CharacteristicsThere is a great deal of interspecies variation within the Xiphinema insigne population, generally variations are due to, or at least correlate with, geographical or climate differences.