Trichodorus variabilis

  

Contents

  

Rev 01/25/2021

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

      Enoplea
       Triplonchida
        Diphtherophorina
         Diphtherophoidea
          Trichodoridae
           Trichodorinae
            

 Trichodorus variabilis Roca, 1998

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Morphology and Anatomy:

 

Trichodorus variabilis exhibits morphological variability in:

  • the position of ventromedian cervical papillae  with respect to the onchiostyle base
  • the spicules having or lacking striation in the distal  region of the blade
  • the spicules having or lacking bristles in the proximal region of the blade
  • the pharyngo-intestinal junction being offset to slight overlapping
  • the position of the excretory pore  in females.

Ref Pedram et al., 2017
 
Males:

 

 

 Reported median body size for this species (Length mm; width micrometers; weight micrograms) - Click:
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Distribution:

Has been reported from Greece and from forest soils in Iran (Pedram, et al., 2017).

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Economic Importance:

 

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Feeding:

Ectoparasitic; feeds on epidermal cells at and just behind root tips.

 

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Hosts:

Recovered from forest soils in Iran.

For an extensive host range list for this species, click


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Life Cycle:

Ecophysiological Parameters:

For Ecophysiological Parameters for this species, click If species level data are not available, click for genus level parameters

 

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Damage:

 
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Management:

 

Host Plant Resistance, Non-hosts and Crop Rotation alternatives:

For plants reported to have some level of resistance to this species, click

 

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References

Decraemer W. 1995. The Family Trichodoridae: Stubby Root and Virus Vector Nematodes. Developments in Plant Pathology, 6. Dordrecht: Kluwer Academic Publishers

Decraemer, W. 2011. Virus vector families Part II. Trichdoridae.Academia Press, Gent.123p.

Pedram, M., Ali Roshan-Bakhsh, Ebrahim Pourjam, Mohammad Reza Atighi, Wilfrida Decraemer and Ali Bagheri. 2017. Additional data on Iranian trichodorids (Triplonchida: Trichodoridae) and first record of a rare species, Trichodorus variabilis Roca, 1998. Nematology 19:121-129

 
 
Copyright © 1999 by Howard Ferris.
Revised: January 25, 2021.