Genus Laimydorus

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Family Dorylaimidae 

Genus Laimydorus

Genus Laimydorus Siddiqi, 1969

Diagnosis. “Laimydorinae.  Large nematodes. Cuticle smooth.  Lip region low, not or slightly offset; lips hardly separate.  Odontostyle straight, not longer than twice the lip region width; guiding ring double.  Pharynx expanding in or behind its middle.  Pre-rectum generally very long, in males beginning before the supplements row.  Supplements very numerous, contiguous.  Female tail attenuated to filiform; male tail short and rounded.” Vinciguerra, 2006

”Nemas 1.8-4.0 mm long.  Females with elongate-conoid to filiform tails; males with short bluntly rounded tails.  Lip region rounded or slightly set off.  Spear longer than head width with aperture 1/3 or less its length.  Guiding ring double.  Esophagus enlarged gradually near middle.  Supplements a ventromedian series, adjacent or closely spaced.  Numerous caudal pores and papillae present on males.” From Powers and Mullin website


Powers T. and P. Mullin. Plant and Insect Parasitic Nematodes. University of Nebraska Nematology Website.  Images: Photo Gallery- Konza Prairie
Photo Gallery- Texas corn
Photo Gallery- Homestead Nat'l Monument

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. 392-467