Rev 06/05/2023

  Classification Hosts
Morphology and Anatomy Life Cycle

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           Ecphyadophora de Man, 1921

Type species of the genus: Ecphyadophora tenuissima de Man, 1921

      Karachinema (Maqbool & Shahina, 1985)

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Morphology and Anatomy:


  • Moderate-sized; very slender nematodes,

  • Cephalic region with fine striae up to labial plate which bears small pore-like amphid apertures

  • Cuticle appears smooth but actually is finely striated.

  • Lateral field with 4 incisures where visible.

  • Stylet small, delicate.

  • Procorpus of esophagus long and slender, metacorpusthin and elongate, without obvious valvlular apparatus; postcorpus an elngate bulb not overlaspping intestine.

  • Males with elongate, posteriorly-directed caudal alae.

  • Tail narrows markedly after anal or cloacal opening; tail very long, filiform.

Ref: Andrassy (2007); Geraert (2008).

Refer to subfamily diagnosis (Ecphyadophorinae). 

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


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  Root associates - feeding uncertain, either ectoparasites of root epidermis and root hair cells and/or hyphal feeding (Yeates et al., 1993).

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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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Andrassy, I. 2007. Free-living nematodes of Hungary (Nematoda, Errantia), II. Hungarian Natural History Museum, Budapest, Hungary. 496 pp.

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

Yeates, G.W., T. Bongers, R. G. M. De Goede, D. W. Freckman, and S. S. Georgieva. 1993. Feeding habits in soil nematode families and genera—An outline for soil ecologists. Journal of Nematology 25:315-331


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