Campbellenchus

  

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Rev 12/20/2024

  Classification Hosts
Morphology and Anatomy Life Cycle
Return to Campbellenchus Menu Economic Importance Damage
Distribution Management
Return to Tylenchidae Menu Feeding  References
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Classification:

      Chromadorea
       Rhabditida
       Tylenchina
        Tylenchoidea
         Tylenchidae
          Tylodorinae

           Campbellenchus Wouts, 1977

    Synonyms:
      None.

The type species of the genus is Campbellenchus poae Wouts, 1977

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Morphology and Anatomy:

Campbellenchus poae (from Wouts, 1977)

  Refer to subfamily diagnosis (Tylodorinae).

 

  •  Amphids with small to medium-sized, radial, slit-shaped opening
  •  Stylet more than 20 um long, slender.
  • Vulva slightly posterior to mid body.
  • Prodelphic ovary usually with double reflex, distal end occasionally reaching esophageal region.
  • Lateral field obscured by longitudinal striae.
  • Cuticle with pronounced annulation behind lip region;  tesselate where they meet longitudinal striae.
  • Deirid distinct.
  • Tail filiform gradually tapering to about 2 anal body widths posterior to anus, then long and filiform more posterior..


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

Specimens have been described from soil around the roots of native plants on Campbell Island, New Zealand.

Campbell Island is an uninhabited subantarctic island in the Pacific Ocean at cordinates 2�32′24″S 169�8′42"S. It has an area of 113 km sq.

 It is a UNESCO World Heritage site.  The vegetation is described as predominantly tussock grassland, tundra, scrub and dwarf forest.

Campbell Island has a marine tundra climate with annual average air temperature rannging from 7C  to 12C, extremely windy and most days of the year with no more than 1 hour of sunshine. Monthy precipitation ranging between 104 mand 120 mm year round. It has been used as a seal-hunting base and a weather station which is now automated. Feral cattle and sheep which were introduced earlier were culled by 1992 (source Wikipedia)..

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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:

Wouts, W.M. 1977. Campbellenchinae (Nematoda: Tylodoridae), a new subfamily from campbell Island, with a description of two new species. New Zealand J. Zoology 4:213-216.

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Copyright © 1999 by Howard Ferris.
Revised: December 20, 2024.