Trophotylenchulus

  

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Rev 04/05/2023

  Classification Hosts
Morphology and Anatomy Life Cycle
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Distribution Management
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Classification:

      Tylenchida
       Tylenchina
        Criconematoidea
         Tylenchulidae
          Tylenchulinae

           Trophotylenchulus Raski, 1957

Type species of the genus: Trophotylenchus floridensis Raski, 1957
   

 Synonyms:
          Ivotylenchulus Hashim, 1983

Trophonema Raski, 1957

 

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Morphology and Anatomy:

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All stages:

  • Excretory pore situated posteriorly (33-61% of body length),       excretory duct variable, apparently perpendicular to body line (T.       clavicaudatus, T. piperis, T. saltensis), directed forward (T. floridensis, T.  obscurus), or directed posteriorly (T. mangenoti).
  • Tail long, slender-conoid, finely rounded tip. 
  • Body encapsulated in round, brittle structure.  

Female:

  • Fixed into root by anterior part of body only. 
  • Body swells on ventral side, curls tightly (more than 360 degrees).  
  • Circumoral disc protrudes prominently. 
  • Anus obscure, lips of anus slightly raised. 
  • No uterine cyst.  

Juveniles:

  • Circumoral disc present.  
  • Lateral field with two lines (four in T. piperis).

[Ref: Raski & Luc (1987).]


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

 

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Economic Importance:

 

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Feeding:
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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:

Ghaderi, R., Geraert, E., Karegar, A. 2016. The Tylenchulidae 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..

 

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Copyright © 1999 by Howard Ferris.
Revised: April 05, 2023.