Tenunemellus   

  

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Rev 03/31/2025

  Classification Hosts
Morphology and Anatomy Life Cycle

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Distribution Management
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Classification:

Chromadorea
       Rhabditida
       Tylenchina
        Tylenchoidea

         Tylenchidae  
          Ecphyadophorinae

           Tenunemellus Siddiqi, 1986

Type species of the genus: Tenunemellus tenuis (Corbett, 1964) Siddiqi, 1986

    Synonyms:
      Ecphyadophoroides Corbett, 1964

Corbett (1964) described two species form Malawi;  Ecphyadophoroides annulatus is the type species of Ecphyadophoroides while E. tenuis was erected by Siddiqi (1986) as the type species of the new genus Tenunemellus. It became Tenunemellus tenuis (Corbett, 1964) Siddiqi, 1986.

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Morphology and Anatomy:

.

Refer to subfamily diagnosis (Ecphyadophorinae).

  • Very slender nematodes
  • Cuticle finely or coarsely striated
  • Lateral field obscure
  • Cephakic region flattened dorso-ventrally, without labial disc.
  • Amphideal fovea as longitudinal clefts  extending along most of lateral contour of cephalic regioon
  • Tail very long, pointed

Female:

  • Monodelphic prodelphic with post-vulval uterine sac
  • Vulva without lateral membranes, continuous with body contour.

Male:

  • Monorchic
  • Spicules cephalated, arcuate
  • Bursal flaps lobed, projecting posteriorly
  • Cloacal lips pointed, not forming a spicular tube

\Ref Geraert, 2008
Tenunemellus indicus  Female: (A) entire body; (B) lateral view of cephalic region; (C) dorsoventral view of cephalic region; (D) amphidial slit; (E) basal pharyngeal bulb; (F) anterior end and pharynx; (G) reproductive system; (H) tail.
Drawings from Hosseinvand et al., 2020


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

Reorted from cental Africa.

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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:

Geraert, E. 2008. The Tylenchidae of the world: identification of the family Tylenchidae (Nematoda). Gent, Academia Press: 540 pp

Hosseinvand M, Eskandari A, Ghaderi R, Karegar A. 2020. Morphological and molecular data of two species of the rare genera Thada Thorne, 1941 and Tenunemellus Siddiqi, 1986 (Nematoda: Tylenchidae) from Iran. Journal of Helminthology. 94:e149. doi:10.1017/S0022149X20000279

Qing, X., T. J. Pereira, D. Slos, M. Couvreur and W. Bert. 2018. A new species of Malenchus (Nematoda: Tylenchomorpha) with an updated phylogeny of the Tylenchidae. Nematology 20:815-836.

 

 

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Copyright © 1999 by Howard Ferris.
Revised: March 31, 2025.