Sphaeronema

  

Contents

  

Rev 02/23/2024

  Classification Hosts
Morphology and Anatomy Life Cycle
Return to Sphaeronema Menu Economic Importance Damage
Distribution Management
Return to Tylenchulidae Menu Feeding  References
Return to Sphaeronematidae Menu   Go to Nemaplex Main Menu   Go to Dictionary of Terminology

Classification:

      Tylenchida
       Tylenchina
        Criconematoidea
         Tylenchuloidea

Tylenchulidae
         Sphaeronematinae

          Sphaeronema Raski & Sher, 1952

Type species of the genus: Sphaeronema californicum Raski & Sher, 1952

    Synonyms:

The following were declared junior synonyms of Sphaeronema by Raski and Luc (1987).
          Goodeyella (Siddiqi, 1986)
          Tumiota (Siddiqi, 1986)

Back to Top

Morphology and Anatomy:

Drawings of Sphaeronema californicum from Raski and Sher, 1952.

 All stages: Excretory pore situated close to level of nerve ring.

Females: Globose.  

Vulva appearing as terminal, and anus as dorsal.

Uterine wall thickened.  

Males: No stylet.  

Spicular sheath present.

[Ref: Raski & Luc, (1987)]

Body size range for the species of this genus in the database - Click:
Back to Top

Distribution:

 

Back to Top

Economic Importance:

 

Back to Top

Feeding:
Back to Top

Hosts:
For an extensive host range list for this genus, click
Back to Top

Life Cycle:

For Ecophysiological Parameters for this genus, click 

Back to Top

Damage:

 

Back to Top

Management:

 

Back to Top

References:

Ghaderi, R., Geraert, E., Karegar, A. 2016. TheTylenchulidae of the World. Academia Press, Ghent, Belgium

Raski, D.J. and Luc, M. 1987. A reapraisal of Tylenchina (Nemata) 10. The superfamily Criconematidea Taylor, 1936., Rev. Nematol. 10: 409-444..

Raski, D.J., Sher, S.A. 1952. Sphaeronema californicum, nov. gen. nov, spec. (Criconematiodaem Sphaeronematinae, nov. subfam.) an endoparasite of the roots of certain plants. Proc. Helminth. Soc. Washington 19:77-80.

Back to Top
Copyright © 1999 by Howard Ferris.
Revised: February 23, 2024.