Body marked by coarse striae 2u apart, and about 20 longitudinal
striae which divide the cuticle
minute tile-like elements. Lateral field with crenate borders
and 2 incisures.
Lip region set off by slight narrowing of head contour, with 4 annules.
Amphid aperatures at apices of lateral lips, visible only from face view.
long with strong knobs. Spear muscles attached to sclerotized wall
of lip region. Deirid and excretory pore about opposite anterior
end of basal bulb. Vulva
conspicuous lateral membranes. Anterior sexual branch with an 8-celled
quadricolumella followed by a large cellular body which may function as
a spermatheca separated from ovary by a distinct valve. Ovary composed
of a cap cell and 7 oocytes in single file. Vulva-anus distance 2/3
tail length. Terminus cuticularized , acute.
a distinguishing character even under the dissecting microscope.