Yatinema japonicum

  

Contents

  

Rev: 07/21/2025

  Classification Biology and Ecology
Morphology and Anatomy Life Cycle
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Classification:

Chromadorea
  Chromadoria
  
     Rhabditida
           Rhabditina
             Infraorder Rhabditomorpha
                 Heligmosomoidea
       Helligmonellidae
                    Nippostyrongylinae
       Yatinema japonicum Asakawa & Ohbayashi, 1986

Type species of the genus

    Synonyms:
     

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Morphology and Anatomy:

 

Females:

  • Monodelphic
  • Tail of female lacking spine

    • Ref:  Asakawa and Ohbayashi, 1986


     

  
   


Males:  

  • Bursa asymmetrical, right lobe larger than left; arrangement of rays type 2-2-1; postero-Iateral rays short; dorsal lobe not separated.
  • Spicule tips fused, curved similar to letter "L", enclosed in thin membrane.
  • Gubernaculum well-developed, boat-shaped.
  • Genital cone conical with a pair of small papillae.


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

 
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Distribution:

Collected from the small intestine  of Eothenomys smithi and E. niigatae. in Umaji Village, Kochi Prefecture, Japan.

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Economic Importance:

 

 

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Feeding:

Intestinal parasites of parasites of rodents of the family Cricetidae: Eothenomys smithi and E. niigatae.

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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:

Asakawa, M., Ohbayashi, M. 1986. A new nematode, Yatinema japonicum gen. et sp. n. (Heligmonellidae: Nematoda) from voles, Eothenomys smithi Thomas and E. niigatae (Anderson). Japanese J. Vet. Res. 34:7-23.  

 

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