Ekphymatodera

  

Contents

  

Rev 12/17/2024

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

     

Chromadorea
  Chromadoria
   Tylenchina

        Tylenchoidea
         Heteroderidae
          Ataloderinae

           Ekphymatodera Baldwin, Bernard & Mundo-Ocampo, 1989

Type species of the genus:  Ekphymatodera thomasoni Baldwin, Bernard & Mundo-Ocampo, 1989

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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Females: No cyst stage. 

Saccate females have a perineal pattern typical for the family with an unusually large vulva to anus distance (73-140 µm.

Female cuticle with rough texture of minute tubercles and irregular longitudinal striae.

Males:

Length 1mm with slightly twisted body. Short tail, bifid spicules.

Second-stage Juveniles:

Long attenuated hyaline tail terminus. Head slightly offset. Esophageal glands in a large lobe nearly filling body diameter.

 

Baldwin, Bernard & Mundo (1989)

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

Merced River, Yosemite Valley, California.  Crescent City, Del Norte County, California.

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Economic Importance:

 

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Feeding:

 Induces a syncytium. 

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Hosts:

 Juncus effusus L.  var. pacificus

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:

Baldwin, J.G., Bernard, E.C. & Mundo-Ocampo, M. 1989. J. Nematology 21:48-68.

Ghaderi, R. 2019. An outline on distribution and hosts of the cystoid nematodes of Ataloderinae Wouts, 1973 and Meloidoderinae Golden, 1971. Zootaxa 4664:: 339�350 https://www.mapress.com/j/zt/

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Copyright © 1999 by Howard Ferris.
Revised: December 17, 2024.