Orphreyus   

  

Contents

  

Rev 12/16/2024

Classification Hosts
Morphology and Anatomy Life Cycle

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 Economic Importance Damage
Distribution Management
Return to Criconematidae Menu Feeding  References
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Classification:

    Chromadorea
       Rhabditida
       Tylenchina
        Criconematoidea
         Criconematidae
          Criconematinae


           Orphreyus Siddiqi, 2000

 

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Morphology and Anatomy:

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Female: 

  • Thick body.
  • Mid-body annuli with fringes of continuous finger-like sprojections alternatind with smooth regions
  • Head is one saucer-shaped annulus wider than adjacent body
  • Lip region with submedian lobes present or absent.
  • Esophagus criconematoid.
  • Vulva "closed" in most species by anterior vulval lip, or open.
  • Tail conoid rounded with annule edges protruding.

Male: 

Unknown in most species.

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[Ref: Geraert (2010)]


Body size range for the species of this genus in the database - Click:
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Distribution:

 
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Economic Importance:

 

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Feeding:

 

 

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Hosts:

For an extensive host range list for this genus, click
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Life Cycle:

For Ecophysiological Parameters for this genus, click 


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Damage:

 

 

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Management:

 

 

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References:

Geraert, E. 2010. The Criconematidae of the world: identification of the family Criconematidae (Nematoda). Ghent, Belgium, Academia Press.

Mehta, U.K. & Raski, D.J. 1971. Revision of the genus Criconema Hofmanner & Menzel, 1914 and other related genera (Criconematidae: Nematoda). Indian Journal of Nematology 1, 145-198.

Raski, D.J. and Luc, M. 1987. A reappraisal of Tylenchina (Nemata) 10. The superfamily Criconemaroidea Taylor, 1936. Rev. Nemarol. 10:409-444.

Van den Berg, E., Eskandari, A., Tiedt, L.R., and Karegar, A. 2010. Nematology 12:791-797.  

 

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Copyright © 1999 by Howard Ferris.
Revised: December 16, 2024.