Nothocriconemoides crenulatus

  

Contents

  

Rev 12/16/2024

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

      Chromadorea
       Rhabditida
       Tylenchina
        Criconematoidea
         Criconematidae
          Macroposthoniinae

           Nothocriconemoides crenulatus Ivanova, 1984

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Morphology and Anatomy:

  • Body annuli directed posteriorly except for the first two
  • Each annulus with fine lines which make the posterior edge appear crenated
  • Lip region with 2 annuli
  • Submedian lobes large, protruding, connected ventrally and dorsally; labial plates present; labial disc oval
  • Amphids large, oval
  • Stylet robust, straight, large knobe (12-12 um diam)
  • Excretory pore 2-4 annuli osterior to base of pharynx.

Female:

  • Monodelphic gonad is outstretched, and spermatheca is spherical, filled with sperm.
  • Vagina is straight,
  • Vulva closed, a narrow oblique slit
  • Body elongate conical posterior to vulva, termial annulus button-like

Male:

  • Retaini a layer of juvenile cuticle
  • Head withn 5 small annuli
  • Lateral field with 4 incisures
  • Spicules long (45-47 um), thin
  • Gubernaculum linear, about 20% of length of spicules
  • Bursa extends to end of rounded tail

Ref: Geraert (2010)

 

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

Described from the rmountain region of Tadzhikistan.

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Economic Importance:

 

 

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Feeding:

Ectoparasite of plant roots

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Hosts:

 

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:

Geraert, E. 2010. The Criconematidae of the World. Academia Press, Ghent, Belgium.

Ivanova, T.S. 1984. [New species of nematode Nothocriconemodes crenulatus sp.n. (Nematoda: Criconematidae) from mountain regions in Tadzhikistan.] Izvestiya Akademii Nauk Tadzhikiskoi SSR Otdelenie Biologicheskikh Nauk 1984:20-22.

 

 

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