FIGURE 12. Worldwide Heth spp. Group 2 in Heth pivari n. sp. (Nematoda: Ransomnematoidea: Hethidae) from the indigenous North American millipede Narceus gordanus (Spirobolida: Spirobolidae), with keys for worldwide Heth spp.

FIGURE 12. Worldwide Heth spp. Group 2 (continued). A) H. tonkinensis (after Malysheva & Spiridonov 2010). B) H. tuxtlensis (after Mejía-Madrid 2014). C) H. vietnamensis (after Malysheva & Spiridonov 2010). D) H. xaniophora (after Hunt 1994), en face, lateral and dorso-ventral views.