Longidorus quercus

 

Contents

 

Rev 08/11/2023

Needle Nematode Classification Hosts
Morphology and Anatomy Life Cycle
Return to Longidorus Menu Economic Importance Damage
Distribution Management
Return to Longidoridae Menu Feeding  References
    Go to Nemaplex Main Menu   Go to Dictionary of Terminology

 


 

Classification:

      Dorylaimida
       Dorylaimina
        Dorylaimoidea
         Longidoridae
          Longidorinae

           Longidorus quercus Cid del Prado Vera, Subbotin & Decraemer, 2021

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Morphology and Anatomy:

Females:

  •  Lip region rounded, sometimes flattened, offset by a slight indentation
  • Amphidial fovea pouch-like, not lobed.
  • Lateral body pores absent in pharyngeal region.
  • Odontostyle thin and long, odontophore long with weakly developed flanges.
  •  Pharynx with dorsal gland nucleus anteriorly in bulb and ventrosublateral gland nuclei at beginning of posterior third of bulb,
  • Nerve ring around anterior part of isthmus.
  • Cardia very small.
  • Didelphic amphidelphic ovaries reflexed,
  • Vulva a transverse slit in ventral view, vagina longer than, or as long as vulval body diam.
  •  Tail contour straight ventrally and dorsally convex, terminus hemispherical to bluntly conoid, Lateral body pores present, usually two on each side of tail.

Males:

  • Not seen

Ref: Cid del Prado Vera et al., 2021


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

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Distribution:

Collected from soil around roots of Quercus crassipes in Tecolapan, Mexico State, Mexico.

 

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Economic Importance:

 

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Feeding:

Ectoparasite on roots.

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Hosts:

 

For an extensive host range list for this species, click

 

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Life Cycle:

Ecophysiological Parameters:

For Ecophysiological Parameters for this species, click If species level data are not available, click for genus level parameters

Males and females present in population in approx 1:1 sex ratio..

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Damage:

 

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Management:

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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References:

Cid del Prado Vera, I., Subbotin, S.A., Decraemer, W. 2021. Descriptions of Trichodorus lownsberyi sp. n., Nanidorus minor (Colbran, 1956) Siddiqi, 1974 (Nematoda: Trichodoridae) and Longidorus quercus sp. n. (Nematoda: Longidoridae) from Mexico. Nematology, 23:1023-1037. doi: https://doi.org/10.1163/15685411-bja10092.
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Copyright © 1999 by Howard Ferris.
Revised: August 11, 2023.