Body tapering both ways from near middle. Lateral
field variable, often appearing as a plain band or with 4 or 6 minute incisures
1/4 body width. Cheilorhabdions refractive, remainder of cepahlic
framework moderately sclerotized. Spear 15u-19u
long without basal knobs. Excretory pore opposite anterior end of
basal bulb. Hemizonid immediately posterior. Deirids usually visible,
about opposite nerve ring. Basal bulb elongate with 3 and
occasionally 5 nuclei visible. Cardia extending into base of bulb and anterior
intestine. Intestinal cells adjacent to cardia without granules.
Vulva with elevated labia. Ovaryoutstretched, sometimes reaching to nerve
ring in old females. Spermatheca or spermagonium not seen. Posterior
uterine branch collapsed. Taildorsally convex conoid, ending
in a blunt, mucronate terminus. Phasmids subterminal. Males unknown.
Most closely related to Paraphelenchus acontioides Taylor and Pillai which has 8 incisures instead of 6 and P. pseudoparietinus Micol. in which the lip region is set off by slight constriction.
Habitat: Generally distributed in both virgin and cultivated soil throughtout South Dakota. One collection from cultivated field near Minden, Nebraska.