Epicharinema   

  

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Rev 09/12/2023

  Classification Hosts
Morphology and Anatomy Life Cycle

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Distribution Management
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Classification:

Tylenchida
       Tylenchina
        Tylenchoidea
         Tylenchidae  
          Ecphyadophorinae

           Epicharinema Raski, Maggenti, Koshy & Sosamma, 1982

Type species of the genus Epicharinema keralense Raski, Maggenti, Koshy & Sosamma, 1982

    Synonyms:
      None.

As of 2021, this is the type and only species is Epicharinema keralense.

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Morphology and Anatomy:

.

Epicharinemma keralense: A-H Female: A. Anterior; B-F Sequential transverse sections from first 30 um of anterior end; G Esophageal region; H Poseterior and tail region.  I-K Male: I Spicules and caudal alae, ventral view; J Lateral view; K. Tail region. (from Raski et al., 1980)
  • Body lomg (1.1-1.4 mm) and very slender
  • Tapers towards head region and then expands at head, providing a bottle-shaped anterior region.
  • Cuticle smooth with a few striations detected near head by SEM
  • Stylet long, knobs and shaft robust but cone reduces to an extremely slender tip.
  • Metacorpus valvulated and well developed; postcorpus glands slighly overlapping intestine..

Female:

  • Monodelphic prodelphic
  • Vulva with a delicate vulval flap on anterior lip that obscures the opening.
  • Tail long, filiform

Male:

  • Caudal alae extend posteriorly
  • Gubernaculum long and simple.
  • Body narrows abruptly behind the cloaca to a long, filiform tsail

Ref: Geraert (2008)

Refer to subfamily diagnosis (Ecphyadophorinae).


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:

  Unknown. Based on stylet length and esophageal configuration, probably an ectoparasite of plant roots.

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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:

Geraert, E.2008. The Tylenchidae of the World - Identification of the family Tylenchidae (Nematoda). Academia Press, Gent, Belgium 540p.

Raski, D.J., Maggenti, A.R., Koshy, P.K., and Sosamma, V.K. 1980. Epicharinema keralense n. gen, n. sp., and comments on Atylenchinae and Ecphyadophorinae (Nemata, Tylenchinae). Rev. Nematologie 3:297-304.

 

 

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Copyright © 1999 by Howard Ferris.
Revised: September 12, 2023.