Yatinema

 

Contents

  

Rev: 10/12/2026

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

         Chromadorea

Chromadoria

         Rhabditida

Rhabditina

             Infraorder Rhabditomorpha
                  Heligmosomoidea
       Heligmonellidae
                    Nippostrongylinae
                  Yatinema Asakawa & Ohbayashi, 1986
      
Type species of the genus: Yatinema japonicum Asakawa & Ohbayashi, 1986

    Genus name derived from  Japanese word "yati-nezumi" meaning field mouse.

Synonyms:
     

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Morphology and Anatomy:

 

 

Females:

  • Monodelphic
  • Tail of female lacking spine

Ref:  Asakawa and Ohbayashi, 1986; Durette-Desset and Digiani, 2019

  
 

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".
  • Gubernaculum well-developed, boat-shaped. .

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

Genus descibed from a species collected at Umaji Village, Kochi Prefecture, Japan.

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Feeding:

Food Sources and Feeding strategies for the genus Yatinema

 

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Biology and Ecology:

Intestinal parasites of Muridae (mice, rats, gerbils and other rodents).

Type host of the genus Japanese voles: Eothenomys smithi Thomas

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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:

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.  

Durette-Desset, M-C and Digiani, M.C. 2019. Taxonomic revision of the Heligmonellidae (Skrjabin & Schikhobalova, 1952 tribe) Durette-Desset & Chabaud, 1977 (Nematoda) parasitic in arvicoline rodents Eothenomys (sensu lato) (Cricetidae) from Japan and Thailand. Systematic Parasitiol. 96:1-13.

 

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Revised by Howard Ferris: October 12, 2026.