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Female:
- Body very long, rather robust, usually in
an open C when relaxed by gentle heating.
- Cuticle appearing smooth, marked by very fine superficial
transverse striae mainly in tail region.
- Lip region rounded, clearly set off by a collar-like constrictin
at level or slightly posterior to amphidial aperture.
- Amphidi fovea very large, stirrup-shaped, with conspicuous
aperture ca 3/4 as wide as lip region.
- Cephalic papillae appearing as small apertures, each located
just anterior to a distinct cephalic lobe .
- Stylet guiding ring single, located 11.14 to 1.40) times lip
region diam. from anterior end.
- Lateral chord 28% of corresponding body diam at mid body.
- Odontostyle long and slender, straight or slightly arcuate
- Odontophore with weak basal swellings.
- Nerve ring encircling pharynx.
- Pharynx typical of genus. Anterior slender part of pharynx
usually with loop overlapping basal bulb. Basal bulb cylindrical,
(112 to 143) um long.
- Cardia hemispherical clearly visible,.
- Reproductive system didelphic, amphidelphic, with both
genital branches equally developed.
- Vulva lslightly anterior to mid-body, round in ventral view.
- Vagina surrounded by well developed muscles.
- Each oviduct separated from uterus by elongate spermatheca.
- Prerectum long, rectum (28-40) um long.
- Tail bluntly rounded, slightly dorsally convex-conoid with
broadly rounded terminus.
Male :
- As abundant as female. Characteristics mostly similar to female
- Genital tract diorchic with testes opposed, occupying ca 40% of
body length.
- Tail rounded, dorsally convex conoid, ventrally slightly
concave with broad blunt terminus and thickened outer cuticular
layer.
- Spicules robust, ca two times longer than tail length; lateral
guiding pieces 17-20 um long.
- One pair of adanal supplements and 10-13 midventral supplements.
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