Genus Epidorylaimus

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Family Qudsianematidae

Genus Epidorylaimus

"Diagnosis: Qudsianematinae. Cuticle smooth. Lip region offset; lips distinct. Odontostyle variable in length, up to 1.5 times as long as lip region width. Guiding ring simple. Pharynx enlarged in its posterior half. Female genital apparatus didelphic; vulva longitudinal or pore-like, generally pre-equatorial; vagina with sclerotization. Males rare. Supplements spaced; no pre-cloacal space between the most posterior one and the adcloacal papillae. Tail elongate conoid, ventrally curved, in both sexes." Vinciguerra, 2006

Genus Epidorylaimus Andrassy, 1986

“Body small to moderately long, 0.6 to 2.1 mm.  Cuticle smooth or with fine transverse striations, especially on tail.  Lip region offset, lips separate and mostly angular.  Amphids with stirrup-shaped fovea.  Odontostyle 9 to 30 micrometers or one to one-and-a-half lip region widths long; aperture one-third length.  Guiding ring single, thin.  Oesophagus enlarged near middle or posteromedially.  Female reproductive system amphidelphic.  Vulva longitudinal or pore-like, with cuticularised labia.  Males rare, spicules dorylaimoid; lateral guiding pieces present and ventromedian supplements four-nine.  Precloacal space absent between ventromedial row and adanal pair of supplements.  Tail 3.5 to 8.0 anal body widths long, ventrally curved, with pointed tip; similar in sexes.” From Powers and Mullin website


Powers T. and P. Mullin. Plant and Insect Parasitic Nematodes. University of Nebraska Nematology Website. Images: Photo Gallery- Haughton Crater

Vinciguerra, M.T.  2006.  Dorylaimida Part II: Superfamily Dorylaimoidea.  In: Eyualem Abebe, Traunspurger W., and Andrassy I. (eds) Freshwater Nematodes: Ecology and Taxonomy. CABI Publishing, Cambridge, MA, pp. 444