Macramphida

 

Contents

  

Rev 06/09/2026

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

Chromadorea
Rhabditida
       Tylenchina
        Drilonematoidea
             Drilonematidae
Diceloidinae

          Macramphida Timm, 1966
   

Type species of the genus: Macramphida sinense Timm, 1966

Synonyms:
    

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Morphology and Anatomy:

   
   

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Female:

  • Body long, 7 mm, stout
  • Monodelphic-prodelphic; ovary looped, very long spermatheca
  • Tail short, 203 abd, tapering to acute tip

Male

  • Body long, 4 mm, slender
  • Monorchic, testis extening to about 3 body diam from base of esophagus
  • Spicules straight, thins
  • Gubernaculum boat-shaped
  • Tail 3-5 abd long, narrow

 Ref: Timm, 1966
Body size range for the species of this genus in the database - Click:
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Distribution:

Type species described from coelom of earthworm, Pheretima szechuanensis in Hai Tang, Szechuan, China.

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Economic Importance:

 

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Feeding:

Food Sources and Feeding strategies for the genus Macramphida

     Parasites of body cavity of earthworms

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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:

Timm, R.W. 1966. Nematode parasites of the coelomic cavity of earthworms. VI. Macramphida and Sucamphida, two new genera with unusual amphids. Proc. Helm. Soc. Washington 33:67-71.

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Copyright 1999 by Howard Ferris.
Revised: June 09, 2026.