Pratylenchoides persicus

Contents

Rev 11/04/2019

Female:

•  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:

Male:

• 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)