Paraxiphidorus		Contents		Rev 09/13/2023
		Classification		Hosts
		Morphology and Anatomy		Life Cycle
Return to Paraxiphidorus Menu		Economic Importance		Damage
		Distribution		Management
Return to Longidoridae Menu		Feeding		References
		Go to Nemaplex Main Menu		Go to Dictionary of Terminology

Classification:

Enoplea
       Dorylaimida
        Dorylaimina
         Dorylaimoidea
          Longidoridae
           Longidorinae

                         
            Paraxiphidorus  Coomans & Chaves, 1995

Type species of the genus is Paraxiphidorus michelluci Coomans & Chaves, 1995.

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Morphology and Anatomy:

• Lip region expanded and weil offset.
• Amphids with wide stirrup-shaped fovea and wide aperture.
•  Base of odontostyle forked.
• Odontophore with weakly developed basal flanges.
• Cheilostome long; guiding ring around the posterior third of the odontostyle in resting position. No dilaiores buccae (= cheilostome retractors). No compensation sacs. Stylet retractors and pharyngeal retractors present.
• Pharyngeal gland pattern with small DN far behind corresponding ourlet (DO-DN =14 % of bulb length); SN larger than DN.
• Female reproductive system didelphic, amphidelphic, dorylaimoid, with pars dilatata oviductus functioning as spermatheca, uterus without pars dilatata.
• Males with posterior ventromedian supplements outside the range of the spicules.
• Tai! convex-conoid with broadly rounded termmus.

Ref: Coomans and Chaves, 1995. Coomans et al. 1996.

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Distribution:

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Economic Importance:

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Feeding:

 Migratory ectoparasites of plant roots.    

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Hosts:

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Life Cycle:

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Damage:

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Management:

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References:

Coomans, A., and Chaves, E. 1995. Paraxiphidorus michelluci n.g., n.sp. from Argentina (Nematoda : Longidoridae). Fundam. appl. Nematol., 18:303-306.

Coomans, A. Chaves, E., De Leon, L. 1996. Xiphidorini (Nematoda: Longidoridae) from Uruguay. .Bull. Inst. Roy. Sci. Nat. Belgique, Biologie 66:5-15.

Decraemer, W, and Robbins, R.T. 2007.  The who, what and where of Longidoridae and Trichodoridae.  J. Nematology 39:295-297.

Roca, F., and Rios, A. 2006. Nematology 8:619-626.

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Copyright © 1999 by Howard Ferris.
Revised: September 13, 2023.