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Males:
- Body long,relatively slender.
- Head bluntly rounded; smooth, with six inner and six outer labial
papillae, and four cephalic setae 4–5um long, located just anterior to
the anteriormost striation of the body cuticle.
- Amphidial fovea a ventrally wound spiral, largely surrounded by
striations; its diameter 29–39% of corresponding body diameter.
- Buccal cavity large with an acute dorsal tooth and two smaller
ventrosublateral teeth.
- Cuticle with fine transverse striations starting posterior to the
anterior edge of amphidial fovea and without ornamentation.
- Minute somatic setae arranged in eight longitudinal rows extending
from the pharyngeal region to tail region. .
- Pharynx anteriorly cylindrical, posteriorly widened to a pyriform
bulb.
- Nerve ring located at about mid-pharynx length.
- Cardia triangular in cross section, surrounded by intestine.
- Reproductive system monorchic with anterior outstretched testis on
right side of the intestine. Testis with narrow short germinal zone.
Sperm cells round (16–21μm diameter).
- Spicules equal size, slender, ventrally curved with thick
sclerotized lamina and hook-shaped capitulum; thin velum present.
- Gubernaculum slightly arcuate, trough-shaped, without apophysis.
- No obvious precloacal supplements present, but equally spaced short
ventral setae which could be interpreted as supplements.
- Tail conical with three caudal glands dorsally located, extending up
to the cloaca and
opening at the tail tip through a spinneret. Terminal part of tail
smooth, 26–28% of the total tail length.
Ref Maria et al., 2009 |