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- Body cylindrical, 1.1-1.3 mm long.
- Cuticle is very finely striated.
- Eight longitudinal rows of very short and fine
somatic setae .
- Head region bluntly rounded with body annuli extending
to anterior.
- Six internal and six external labial sensillae are
papilliform; internal labial papillae are on the lip edge
(inconspicuous under light microscope), externallabial
papillae are prominent and located just in front of the
cephalic setae.
- Four cephalic setae .
- Multispiral fovea amphidialis, 1 .5 whorls.
- Stoma with one large dorsal two small
subventral teeth.
- Pharynx anteriorly slightly swollen by the muscles
supporting the tooth . Short cylindrical corpus with strong
elongated terminal bulb with three partitions lined and
thick cuticlar lining of the cuticle (postcorpus 60% of
pharynx length) .
- Nerve ring located just in front of elongated bulb.
Females:
- Didelphic, amphidelphic with reflexed ovaries llocated
at the left of the intestine .
- Small vulva, cuticular vagina vera and short vagina
uterina .
- Tail without indentation
- Prominent spinneret .
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Males:
- Monorchic, testis outstretched on the right of the
intestine.
- Spicules arcuate with large capitulum and fine
velum.
- Gubernaculum 25-28 um long .
- Usually three, seldom four, ventral precloacal
supplements, equidistant from each other with a papilliform
base and protrusible pointed tip.
- Anterior to the precloacal supplements, there is a
ventral row of about ten local thickenings of the cuticle
resembling inplantation sites of setae, but no somatic setae
are visible .
- Tail indented, prominenty spinneret.
Ref: Verschelde et al. (1995)
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