Cephalenchus   

 

Contents

 

Rev 05/03/2022

  Classification Hosts
Morphology and Anatomy Life Cycle

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

     Tylenchida
       Tylenchina
        Tylenchoidea
         Tylenchidae
          Tylodorinae

           Cephalenchus Goodey, 1962

Type species of the genus: Cephalenchus hexalineatus (Geraert, 1962, Goodey, 1962) syn. Cephalenchus megacephalus, Goodey, 1962; Tylenchus hexalineatus, Geraert, 1962

    Synonyms:
      Imphalenchus (Dhanachand & Jairajpuri, 1980)

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Morphology and Anatomy:

Refer to subfamily diagnosis (Tylodorinae)

  • Body slender, 0.4-1.0 mm long
  • Cuticle striated with 4 to 6 lateral incisures.
  • Head offset by a constricyion, Amphid apertures elongate slits.Stylet generally long for the family, but short in some species, with distinct knobs.
  • Metacorpus oval.
  • Postcorpus generally butting or slightly overlapping intestine, but with a longer overlap in C. driekieae.
  • Tail long, filiform.

Fenale:

  • Monodelphic, prodelphic
  • Vulva often bordered with lateral membranes
  • Postvulval sac longer than body width.

Male:

  • Adanal busa

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

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Distribution:

Cosmopolitan in terrestrial habitats.

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Economic Importance:

 

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Feeding:

  Wood (1973) observed Cephalenchus sp. feeding on seedling roots in tissue culture but not on fungi, algae or moss.

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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:

Wood, F.H. 1973. Nematode feeding relationships: Feeding relationships of soil-dwelling nematodes. Soil Riol. Biochem. 5: 593-601.

 

 

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Copyright © 1999 by Howard Ferris.
Revised: May 03, 2022.