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- Body long and slender, curved or coiled when fixed
- Width 60 - 68 um (female) or 50 um (male) at middle.
- Cuticle 3.5 -4.0 um thick on mid-body.
- Longitudinal ridges 30 - 32 clearly visible in most regions of
body
- Lip region 12 -14 um wide and 8 - 9 um high, slightly offset by a
depression; lips fused.
- Labial and cephalic sensillae minute.
- Amphids funnel-shaped with aperture about two-thirds of
corresponding body diameter.
- Vestibular ring weak, 4.5 - 5.0 um wide; vestibulum 5 - 6 um broad;
onchia with tips facing each other.
- Odontostyle slender, thinner (1.5 um) than cuticle (2 um) at the
same level, 23 - 25 um long, 1.8 - 1.9 times as long as lip region
width. Aperture occupying about one-fifth of odontostyle length.
- Pharynx 580 - 620 um long, enlarged in two steps, at 44 - 48 and 52
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55 % of its length, respectively; anterior section tubular,
non-muscular, mid-section 38 - 42 um long.
- Cardia short, rounded, glossa absent.
Female:
- Posterior end of pharynx and vulva as long as or somewhat longer
(1.2 times) than pharynx.
- Prerectum 6-8, rectum 1.6-2.0 times the anal body width long.
- Didelphic, well-developed. Each gonad branch 5.8-7.0 times as
long as body diameter, occupying 12-14 % of body length.
- Vulva longitudinal, with slightly sclerotized lips, 16-18 um
wide.
- Vagina 30 - 35 um long, penetrating halfway in ody width.
- Uterine eggs one to four at a time,
- Vulva - anus distance equals 8.8-9.2 tail lengths.
- Tail elongate-conoid, 145-164 um long or occupying 5.1-5.6 % of
entire length of body. Tip of tail pointed or very finely rounded.
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Males:
- Paired testes, long vas deferens.
- Spicules slender, arcuate, 60 um long.
- Supplements: a large adanal pair and 14-18 ventromedian supplements
arranged in two fascicles
- Male tail short, dorsally conoid, rounded.
Ref Andrassy, 2010
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