Phasmarhabditis (Greek: Phasma = (φάσμα (phantom); rhabditis = (ῥάβδος (rod-like)) is a genus of bacterial-feeding nematodes which are facultative parasites whose primary hosts are terrestrial gastropods (slugs and snails).

[1] The name comes from Greek: Phasma- (φάσμα (phantom); rhabditis = rod-like (ῥάβδος (rhabdos).

The genus is made up of 18 species (as of 2023)[2] including P. hermaphrodita,[1] P. californica,[3][4] P. neopapillosa,[5] P. papillosa,[3] P. apuliae,[4] P. bohemica,[6] P. bonaquaense,[7] P. huizhouensis,[8] P. nidrosiensis,[8] P. valida [8] and P.

tawfiki.

[9]