Meloidodera   

 

Contents

 

Rev 01/31/2023

Cystoid nematode Classification Hosts
Morphology and Anatomy Life Cycle

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

Tylenchida
   Tylenchina
       Tylenchoidea
        Heteroderidae
         Meloidoderinae
          
 Meloidodera Chitwood, Hannon & Esser, 1956

    Synonyms:

      None.
  
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Morphology and Anatomy:

 

Cystoid nematodes in which the body wall of the female does not harden into a cyst.

 

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Female: 

  • No cyst stage.  Body globose with short neck.  
  • Cuticle of medium thickness, whole body annulated, with modified pattern at anal-vulval region.  D-layer absent.  Subcrystalline layer present.  
  • Vulva median; vulval lips not protruding.
  • Eggs either deposited or retained in body.  

      

 

Male: 

  • Body twisted, short (under 0.6 mm).  
  • Lateral field with four lines.
  • Spicules short (under 30 um), slightly curved, obliquely directed.
  • Tail short, hemispherical.  
  • No cloacal tubus.  
  • Phasmids punctiform, subterminal.  
  • No male metamorphosis within second-stage cuticle.

Second-stage juveniles:

  • Lateral field with four lines. 
  • Esophageal glands filling body cavity.  
  • Tail conical, of medium length, with half-length, hyaline, terminal part.  
  • Phasmids with or without lens-like structure. 
          
    [Ref: Luc, Maggenti & Fortuner,  (1988).]

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:

Nurse cell system: A single, giant cell with a single, giant nucleus in the vascular tissues.

 

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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 
 

Adult female body exposed on root surface.

 

 

 

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Damage:

 

 

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Management:

 

 

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References:

[Ref: Luc, Maggenti & Fortuner, Rev. Nematol. 11(2):159-176 (1988).]

 

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Copyright © 1999 by Howard Ferris.
Revised: January 31, 2023.