Pratylenchoides persicus




Rev 11/04/2019

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Morphology and Anatomy Life Cycle
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           Pratylenchoides persicus Azizi, Eskandari, Karegar, Ghaderi, van den Elsen, Holterman, & Helder, 2016.


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Morphology and Anatomy:




  •  Cuticle with distinct annuli, 1.5—1.8 µm wide at midbody.
  • Lateral field with six longitudinal incisures at deirid and mid-body, and four incisures at post-phasmid, the outer bands areolated at posterior part of esophagus.
  •  Lip region off-set by slight depression with body contour, rounded anteriorly or slightly flattened and bearing four or five distinct but fine annuli.
  •  Stylet strong with rounded or posteriorly flattened basal knobs; the conus half of the total stylet length.
  • DEGO 3—4 µm behind the stylet knobs.
  • Median bulb oval, 13—19 µm long and 10.0—12.3 µm wide with refractive valves.
  • Deirids at the level of hemizonid or slightly anterior to it.
  • Excretory pore located in anterior half of the esophageal glands anterior to secretory-excretory pore.
  • Esophageal glands abutting or slightly overlapping intestine dorsally.
  • Reproductive system didelphic, amphidelphic; spermatheca rounded, filled with globular sperm.
  •  Vagina 40—50 % of the body width at vulva.
  • Tail cylindrical, with truncate to low rounded and coarsely annulated terminus.
  •  Phasmids located 21—30 µm posterior to anus, in the posterior half of the tail.

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


  • Similar to female in general morphometrics
  •  Lateral field with six incisures; outer band areolated.
  • Lip region high, rounded or slightly flattened.
  • Stylet slightly more slender than that of females.
  •  Spicules curved ventrally, gubernaculum simple.
  • Tail conical, tapering gradually to a conoid or subcylindrical terminus

Ref: Azizi et al (2016)

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Pratylenchoides persicus is reported from the rhizosphere of oregano in Abr forest, Iran.

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Economic Importance:

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    Migratory endoparasite.    

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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


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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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Azizi, K., Eskandari, A., Karegar, A., Ghaderi, R., van den Elsen, S., Holterman, M. & Helder, J. (2016). Morphometric and molecular characterization of Pratylenchoides persicus sp. n. (Nematoda: Merliniidae) and additional data on two other species of genus from Iran. Zootaxa 4205:459-474.


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Copyright 1999 by Howard Ferris.
Revised: November 04, 2019.