Cucullitylenchus   

  

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Rev 02/06/2021

  Classification Hosts
Morphology and Anatomy Life Cycle

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 Economic Importance Damage
Distribution Management
Return to Tylenchidae Menu Feeding  References
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Classification:

    Tylenchida
       Tylenchina
        Tylenchoidea 
         Tylenchidae 
          Tylenchinae

           Cucullitylenchus Huang & Raski, 1986

    Synonyms:
      None.

Type and only species: Cucullitylenchus amazonensis.

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Morphology and Anatomy:

The generic name is derived from " cucullus " (= hood), referring to the cowl-shaped cephalic region.

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Cucullitylenchus amuzonensis  A = anterior portion of male, lateral view; B = cephalic region of female, sublateral view; C = cephalic region of female, dorso-ventral view; D = female gonad; E = posterior portion of male; F = whole nematode, female; G = whole nematode, male. (from Huang and Raski, 1986)

 

  •  Both sexes similar,
  • Less than 1 mm in length, slender, tapering posteriad to fillfom tal!s.
  • Llp region offset, elevated, smooth, extending laterad as V-shaped labial pieces reaching anterior part of body.
  • Amphidial openings long slits, aligned with lateral fields.
  • Cephalic framework delicate.
  • Stylet small, delicate, cone shorter than shaft and knobs.
  • Lateral fields with four longitudinal lines, two inner ones obscure, seen clearly only by SEM.
  • Female gonad monodelphic, prodelphic; posterior-uterine sac short.
  • No sexual dimorphism.
  • Male caudal alae adanal, extremely low. 

Ref Huang and Raski, 1986

Refer to subfamily diagnosis (Tylenchinae).

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:

Huang, C.S. and Easki, D.J. 1986. Some Tylenchidae . from Brazil with description of Cucullitylenchus amazonensis gen. n., sp. n. (Tylenchoidea : Nemata). Revue N�matol. 9: 209-219

 

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Copyright 1999 by Howard Ferris.
Revised: February 06, 2021.