Laimaphelenchus africanus

Contents

Rev 17-12-2024

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Female:

• .Body slender, slightly arcuate ventrally when heat relaxed.
• Cuticle with fine transverse annulations
• Lateral field with four incisures, the inner band narrower than the outer bands.
•  Cephalic region rounded, offset by a shallow constriction, without a labial disc and with six equally sized lips not separated by ribs.
•  Cephalic papillae four at mid-position of lip region height, labial papillae six surrounding the oral aperture.
•  Amphidial apertures pore-like,
• Stylet slender, anterior conus about half of total, shaft with three small swellings.
•  Pharynx with cylindrical procorpus cylindrical, oval metacorpus with central valve; cardia subcylindrical.
• Dorsal pharyngeal gland well-developed, slender, with three visible nuclei, overlapping intestinal dorsally.
• Secretory/excretory pore  almost opposite to the nerve ring.
• Monodelphic, prodelphic; ovary outstretched with oocytes in a single row, oviduct short,
• Spermatheca oval to oblong filled with amoeboid
• Vulva a transverse slit with a well-developed vulval flap overlapping the posterior lip,
• Postuterine sac 63-125 um long (3.2-5.3 x vulval body diam)
•  Anus distinct, well developed.
• Tail conical, ventrally curved, dorsally convex, lacking tubercles,but with six to nine small projections at the tip of a subventral stalk.

Male:

• Rare, although there were sperm in female spermatheca.
•  Body slender, similar to that of the females
• Monorchic, testis outstretched, with spermatocytes in a single column.
• Spicules curved, 17um long
•  Only one pair of subventral papillae observed (P3), located at middle of the tail.
• Bursa absent.
• Tail curved ventrally, its terminus similar to that of females

Ref: Ahshar et al., 2021

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