Tenunemellus tenuis		Contents		Rev 12/17/2024
		Classification		Hosts
		Morphology and Anatomy		Life Cycle
Return to Tenunemellus Menu		Economic Importance		Damage
		Distribution		Management
Return to Tylenchidae Menu		Feeding		References
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Classification:

Chromadorea
       Rhabditida
       Tylenchina
        Tylenchoidea
         Tylenchidae  

            Ecphyadophorinae

              Tenunemellus tenuis (Corbett, 1964) Siddiqi, 1986

Type species of tthe genus.

Corbett (1964) described two species from 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.

Synonyms:
      

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Morphology and Anatomy:

• Cuticle finely striated..
• Lateral field a plain refractive band, difficult to distinguish.
• Head flattened and with lip region elongated and smooth
• Stylet with rounded knobs, cone very slender.
• Esophagus appears tubular with no distinct metacorpus; postcorpus with a lobe overlapping the inttestine..

Female:

• monodelphic prodelphic
• postvulval uterine sac greater than 1 body width long.
• Tail elongate conoid to pointed tip.

Male:

• Monorchic Caudal alae conspicuous, extending about the length of the cloacal region.
• Gubernaculum simple, curved.

Ref: Geraert, 2008; Corbett, 1964

Reported median body size for this species (Length mm; width micrometers; weight micrograms) - Click:

Key to the Family Tylenchidae

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Distribution:

Described from seasonally waterlogged brassland (Fimbristylis sp.) near Zomba Mountain, Malawi.

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Economic Importance:

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Feeding:

Unknown. Based on stylet length and esophageal configuration, probably an ectoparasite of epidermal cells and root hair cells and/or of hyphae.

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Hosts:

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Life Cycle:

Ecophysiological Parameters:

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Damage:

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Management:

Host Plant Resistance, Non-hosts and Crop Rotation alternatives:

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References:

Corbett, D.C.M. 1964. Central African nematodes. 1. Ecphyadophora quadralata n.sp. and two species of Tenunemellus n.gen. (Nematode, Neotylenchidae) Nematologi=ca 10:121-130.

Geraert, E.2008. The Tylenchidae of the World - Identification of the family Tylenchidae (Nematoda). Academia Press, Gent, Belgium 540p.

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Copyright © 1999 by Howard Ferris.
Revised: December 17, 2024.