Longidorus laevicapitatus




Rev 06/01/2021

Needle Nematode Classification Hosts
Morphology and Anatomy Life Cycle
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           Longidorus laevicapitatus Williams, 1959

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Morphology and Anatomy:




  • Relatively shrort for this genus 2-3.2 mm

  • Head rounded and not offset

  • Amphids large but apertures obscure

  • Two irregular rows of lateral porews

  • Didelphic, amphidelphic, ovaries reflexed

  • Vulva a transverse slit

  • Tail 1-1.5 x abd; dorsally convex-conoid with blunt rounded terminus

Source: Williams, 1959; Hooper, 1958

Males very rare, similar morphology to females. wuth an adanal pair of papeillae and 4 to 5  in ventro-medial position

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

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Widespread in tropical and subtropical regions, especcially associated with sugarcane (Hooper, 1985). Originally described from a sugarcane field in Mauritius.

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Economic Importance:


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Migratory ectoparasite of plant roots.

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For an extensive host range list for this species, click


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Life Cycle:

Four juvenile stages are described.

Reproduction apparently parthenogenic as nales are absent in most populations (Hooper, 1985).

Ecophysiological Parameters:

For Ecophysiological Parameters for this species, click If species level data are not available, click for genus level parameters
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Root-tip galling.

Has been implicated along with L. attenuatus and L. elongatus in carrying Docking Disorder of sugarbeet in England.


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

For plants reported to have some level of resistance to this species, click


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Hooper, D.J. 1985. Longidorus laevicapitatus. CIH Descriptions of Plant-parasitic Nematodes No. 117.

Williams, J.R. 1959. Studies on the nematode soil fauna of sugarcane fields in Mauritius. 3. Dorylaimidae (Dorylaimoidea. Enoplida). Mauritius Sugar Industry Research Insttitute Occasional Paper No. 3. 28pp.

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Copyright © 1999 by Howard Ferris.
Revised: June 01, 2021.