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Females:
- Body cylindrical, moderate to slender, tapering anteriorly and
posteriorly.
- Cuticle finely to moderately annulated.
- Lip region not offset from body contour, weakly separated into six
sectors; each with a setiform labial sensilla.
- Stoma tube-like, with cheilostom, gymnostom, and stegostom sections;
cheilostom short, with thickened, ring-like anterior and short tube-like
posterior; gymnostom cuticularized, tube-like, almost twice as long as
the cheilostom.Stegostom separated into pro-meso-, meta-, and
telostegostom subsections, metastegostom bearing three small dorsal
teeth.
- Procorpus muscular; metacorpus with a muscular median bulb;
posterior pharynx anisthmus and basal bulb.
- Nerve ring surrounding the mid- or slightly posterior part of
the isthmus.
- Excretory pore location variable; around the posterior part of the
isthmus or anterior end of the basal bulb.
- Lateral field very weakly discernible.
- Didelphic, ovaries reflexed along their entire length, each with a
wider spermatheca and uterus; spermatheca long, sometimes filled
with well-developed sperm.
- Vulva porelike, with protuberant lips in lateral view.
- Three rectal glands visible at prerectum
- Phasmid visible, laterally located ca 1.2 to 1.4 anal body diameter
posterior to anal opening.
- Tail elongated, conical, smoothly tapering to a rounded or finely
pointed tip.
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Males:
- Monorchic, testis straight or reflexed;
- Vas deferens forming a narrow cloacal tube .
- Spicules paired, separate; manubrium rounded, separated by a weak
constriction; shaft-blade complex bent at one-third of its length from
the manubrium, posterior part narrowing to a bluntly pointed straight or
slightly ventrally curved tip.
- Gubernaculum ca one-half of the total spicule in length.
- Tail conical, smoothly tapering and possessing a spike at the tail
end.
- Nine pairs of genital papillae and an additional small papilla on
the precloacal lip present.
- Phasmids located between the fifth lateral pair and the v5-7
set, ca 12 to 16 μm from
- Tail spike length less than cloacal body diameter.
Ref: Mwamamula et al., 2023
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