Polyonchulus

  

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Rev 12/14/2024

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

Enoplea
Dorylaimia
                Mononchida

Mylonchulidae   

Polyonchulus  Mulvey & Jensen, 1967

Tyoe species of the genus: Polyonchulus cobbi Mulvey & Jensen, 1967

 

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Morphology and Anatomy:

.
  • Body length about 1 mm.
  • Buccal cavity goblet-shaped, 2 x longer than wide,
  • Dorsal tooth large, claw-like, directed forward on the anterior dorsal side,
  • Two transverse rows of serrate ridges and 2-7 rows of rasp-like subventral denticles on the ventral side of buccal cavity; subventral teeth absent
  • Cardia non-tuberculate
  • Tail conoid  or subdigitate  1-2.5 x abd long
  • Caudal; glands and spinneret either present or reduced

    Females:  

  • Diidelphic or monoprodelphic, without anterior uterine sac

    • Vulva at 66-70%

    Males:  

  • Spicules arcuate, without lateral accessory pieces
  • 6 samll supplements

Ref; Andrassy, 1992
Polyonchulus stoma
Drawing from Andrassy, 1992
 


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

Reported from in terrestrial and semiaquatic environments in Africa.

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Feeding:

 Predator

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Biology and Ecology:
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Life Cycle:

 
For Ecophysiological Parameters for this genus, click 
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Ecosystem Functions and Services:

 

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Management:

 

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References:

Andrassy, I. 1958: Uber das System der Mononchiden (Mononchidae, Chitwood, 1937; Nematoda) Ann. hist.-nat. Alas, hung. n.s. 9, 50: 151-71.

Ahmad, W.and Jairajpuri, M.S. 2010. Mononchida: the predaceous nematodes. Brill Leiden-Boston, 298p.

Andrassy, I. 1992.  A taxonomic atudy of the family Mylonchulidae (Nematoda) Opusc. Zool. Budapest 25:11-35.

Andrassy, I. 2009. Free-living nematodes of Hungary III. Hungarian Natural History Museum.

 

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Copyright  1999 by Howard Ferris.
Revised: December 14, 2024.