Pungentus pungens

 

Contents

 

Rev 09/13/2023

  Classification Biology and Ecology
Morphology and Anatomy Life Cycle
Return to Pungentus Menu Ecosystem Functions and Services
Distribution Management
Return to Nordiidae Menu Feeding  References
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Classification:


Enoplea
Nordiidae
Pungentinae

Pungentus pungens Thorne & Swanger, 1936

This type species of the genus Pungentus was poorly characterized by Thorne and Swanger (1936).  A more detailed redescription is provided by Alvarez-Ortega and Pena-Santiago (2014).

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Morphology and Anatomy:

Female:

  • Didelphic-amphidelphic
  • Sperm cells may be stored in pars dilatata
  • Vulva a transverse slit in a depression of the body surface; pars refringens vaginae with two drop-shaped sclerotized pieces.
  • Tail short, rounded with saccate bodies in subventral region

Male:

  • Genital system diorchic, testes opposed.
  • An ad-cloacal pair of supplements and 10 widely spaced ventromenian supplements.
  • Spicules curved and slender
  • Tail similar to female.
 
Ref: Alvarez-Ortega and Pena-Santiago, 2014    

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Vulval depression and caudal region of female showing subventral saccate bodies
Photograph from Alvarez-Ortega and Pena-Santiago (2014)

Reported median body size for this species (Length mm; width micrometers; weight micrograms) - Click:

 

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Distribution:

Type locality Virginia, USA but widely distributed in North America.

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Feeding:

  Categorized by Yeates et al., 1993 as a predator and omnivore and perhaps plant feeding.   

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Biology and Ecology:

   
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Life Cycle:

Ecophysiological Parameters:

For Ecophysiological Parameters for this species, click If species level data are not available, click for genus level parameters

 

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Ecosystem Functions and Services:

 

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Management:

 

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References:

Alvarez-Ortega, S.A., Pena-Santiago, R. 2014. Redescription of Pungentus pungens Thorne & Swanger, 1936 (Dorylaimida: Nordiidae), with a revised taxonomy of the genus. Nematology 16:387-401.

Andrassy, I. 2009. Free-living Nematodes of Hungary III.  Hungarian Natural History Museum, Budapest. 608p.

Jairajpuri, M.S. and Ahmad, W. 1992, Dorylaimida.  Free-living, Predaceous and Plant-parasitic Nematodes.  E.J. Brill, Leiden 458p.

Yeates, G.W., T. Bongers, R. G. M. De Goede, D. W. Freckman, and S. S. Georgieva. 1993. Feeding habits in soil nematode families and genera—An outline for soil ecologists. Journal of Nematology 25:315-331

 

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Copyright © 1999 by Howard Ferris.
Revised: September 13, 2023.