Genus Laimydorus

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ORDER DORYLAIMIDA

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  http://nematode.unl.edu/

References:

Powers T. and P. Mullin. Plant and Insect Parasitic Nematodes. University of Nebraska Nematology Website. http://nematode.unl.edu/  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 

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