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Female:
- Thin cuticle, with annulations 1 |um wide.
- Lateral alae lup to 10 um wide beginning near esophageal
bulb and ending posterior to anus
- Two transparent pseudolabia, on lateral edges of buccal
cavitywith 2 papilliform sensillae on each pseudolabium,
- Stoma widening posteriorly, without tooth-like struc-tures.
- Esophageal corpus spindle-shaped, robust; basal bulb without
conspicuous valves.
- Nerve ring encircles isthmus,
- Excretory pore leading into long excretory duct with four
cytoplasmatic branches entering lateral chordsf rom end of
excretory canal.
- Amphidelphic. Posterior ovary reflexed at least twice,
anterior ovary reflexed once,
- Central part of vagina transparent; perivulvar part lined with
fibres.
- Pseudocoel of tail filled with fibers
Male:
Ref: Yeates and Spiridonov, 1996 |