Filenchus plattensis
(Thorne & Malek,1968) Niblack & Bernard, 1985
Syn.: Tylenchus plattensis
Photo Gallery- Konza Prairie

L = 0.5 mm;a = 32; b = 5.2; c = 7;  V = 71

Body slender fusiform, tapering both ways from near middle. Striae less than 1u apart. Lateral fields almost 1/3 body width, marked by 4 lines. Lip region about 1/3 as wide as neck base. Spear about 10u long with strong knobs, the muscles attached to cephalic arches. Ovary outstretched with oocytes in single line except for a short region of multiplication.  Posterior uterine branch shorter than body width.  Tail conoid to bluntly rounded terminus.

 Tylenchus plattensis is distinctive because of its small size, vulva-anus distance equal to tail length and conoid, bluntly rounded tail.  Male not seen but uterus contained sperms.

Habitat:  Recently plowed pasture 2 miles east of Minden and plowed field, Fairmont, Nebraska in the Platte River Valley.