Punctodera punctata

 

Contents

 

Rev 05/16/2006

  Classification Hosts
Morphology and Anatomy Life Cycle
Return to Punctodera Menu Economic Importance Damage
Distribution Management
Return to Heteroderidae Menu Feeding  References
         
      

 


Classification:

      Tylenchida
       Tylenchina
        Tylenchoidea
         Heteroderidae
          Heteroderinae
           Punctodera punctata 
    Synonyms:
      None.
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Morphology and Anatomy:

 

Females: Cyst stage present. Body globose, spherical to pear-shaped with short neck and no terminal cone.

Cuticle thick, with superficial, reticulate pattern; subcuticle provided with punctation; D-layer present;
subcrystalline layer present, thick.

Vulva terminal; vulval slit less than 5 µm long, surrounded by a circular circumfenestra; no perineal
papillae; no underbridge; no bullae.

Anus surrounded by circular (anal) fenestra.

Eggs retained in body (no egg mass).

Males: Body twisted.

Lateral field with four lines.

Spicules greater than 30 µm long, slightly curved, distally pointed. No cloacal tubus.

Tail very short, rounded.

 

Second-stage juveniles: Stylet less than 30 µm long.

Lateral field with four lines.

Esophageal glands filling body cavity.

Tail conical, to conical-effilated with long, hyaline, terminal portion.

Phasmids punctiform.

 

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Distribution:

 

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Economic Importance:

 

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Feeding:

Nurse cell system is a syncytium.

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Hosts:

 

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Life Cycle:

 

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Damage:

 

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Management:

 

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References:

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

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Copyright © 1999 by Howard Ferris.
Revised: May 16, 2006.