Iponema

  

Contents

  

Rev 09/21/2021

  Classification Hosts
Morphology and Anatomy Life Cycle
Return to Iponema Menu Economic Importance Damage
Distribution Management
Return to Drilonematidae Menu Feeding  References
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Classification:
Rhabditida
       Tylenchina
        Drilonematoidea
             Drilonematidae
Iponematinae

          Iponema Timm & Maggenti, 1966
   

Synonyms:
    

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Morphology and Anatomy:

.
  • Four, rarely ten, cephalic sensilla
  • amphids with apertures not wider than 0.5 head diam. and with a prominent pouch.
  • pharynx clavate to nearly cylindroid, nerve ring crossing pharynx
  •  excretory pore located posterior to pharynx base, excretory duct short, weakly cuticularised,

Female:

  • short post-uterine sac
  •  vulva located near, or anterior to, mid-body,
  • female tail conical,

Male:

  • spicules ca 40-50 um long, rarely shorter.
  • male tail often with spike,

Ref: Ivanova and Neuhaus, 2011.
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:

      Parasites of the coelomic cavity of annelids.

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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:

Ivanova, E. and Neuhaus, B.  2011. A revision of the Iponematinae (Nematoda: Drilonematoidea) with description of three new species parasitic in tropical earthworms. Nematology 13:639-652.

Poinar, G.O. 1978. Associations Between Nematodes (Nematoda) and Oligochaetes (Annelida). Proc. Helminthol. Soc. Wash. 45:202-210.

Timm, R.W. 1967. Nematode parasites of the coelomic cavity of earthworms VII. Four new genera and thirteen new species of the family Drilonematidae. Pak. J. Biol. Agric. Sci. 10: 1-12.

Timm, R.W, and Maggenti, A.R. 1966. Nematode parasites of the coelomic cavity of earthworms. V. Plutellonema, Iponema, and Filiponema, new genera (Drilonematidae). Proc. Helminth. Soc. Wash. 33:177-184.

 

 

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Copyright 1999 by Howard Ferris.
Revised: September 21, 2021.