Dolichodera   

  

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Rev 10/09/2023

  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
          Punctoderinae

           Dolichodera Mulvey & Ebsary, 1980

Tyoe species of the genus: Dolichodera fluvialis Mulvey & Ebsary, 1980


    Synonyms:
      None.

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Morphology and Anatomy:

A heteroderid recovered from a bottom sediment sample from the Ottawa river, Quebec, Canada appeared to differ from all other genera of the family.  It was assigned to a new genus by Mulvey and Ebsary, 1980.

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Female: 

  • Cyst stage present.  
  • Body elongate-oval, with long neck and no terminal cone.  
  • Cuticle of medium thickness (3 to 4 um), with fine, irregular striae; subcrystalline layer present.  
  • Vulva subterminal circumfenestrate.  Bullae present; underbridge absent.  No perineal tubercles
  • No anal fenestration.  
  • Eggs retained in body.  

Male: 

  • Not known.

Second-stage juveniles:  

  • Stylet less than 25 um long.
  • Lateral field with four lines.  
  • Esophageal gland filling body cavity.  
  • Tail conical, elongated; with hyaline terminal half. 
  • Phasmids punctiform.

[Ref: Luc, Maggenti & Fortuner (1988); Subbotin et al., (2010)

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

Reported only from the type location - .a bottom sediment sample from the Ottawa river, Quebec, Canada

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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:

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

Mulvey, R.H. and Ebsary, B.A. 1980.. Dolichodera fluvialis  n. gen,. n.sp. (Nematode: Heteroderidae) from Quebec, Canada. Canadian J. Zoology 58:1697-1702.

Subbotin, S.A., Mundo-Ocampo, M., Baldwin, J.G. 2010. Systematics of Cyst Nematodes (Nematode: Heteroderinae). Nematology Monographs and Perspectives Volume 8A , D.J. Hunt and R.N. Perry (eds) Brill, Leiden, The Netherlands 351p

 

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Copyright © 1999 by Howard Ferris.
Revised: October 09, 2023.