Trophotylenchulus

  

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Rev 02/13/2023

  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.  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: February 13, 2023.