Length, female: 0.20-0.30 mm; length, male: 0.24-0.30 mm.
Female: body cylindrical, obese, about 1/7 as broad as long, often more or less sharply bent, with broad conical terminus and blunt anterior end.
Cuticle with annules about 1 µm wide at midbody and ornamented with minute refractive tubercles.
Head smooth with minute lip region and obscure cephalic framework;.
Excretory pore in region of median esophageal bulb.
Lateral field divided into 3 bands by 4 longitudinal incisures resembling rows of dots; field broadening near vulva to enclose a
scutellum-like area, then narrowing and continuing to terminus.
Vulva broad, posterior, without flaps, body narrows behind it; anus obscure, subterminal.
Spear long, curved, approximately 97 µm long; the anterior part about 6 times as long as the posterior part, which has rounded knobs. Female attached the host root by the deeply embedded, slender spear which is often broken when the nematode becomes detached.
Esophagus with procorpus hardly offset from metacorpus, which is has a well-developed valve apparatus; clearly delimited, narrow
isthmus encircled by nerve-ring; swollen posterior part of esophagus forming a small bulb abutting on intestine, the cells of which are filled with fat globules.
Ovary single, with 2 flexures, reaching anteriorly well beyond the spear base; oviduct made up of a few large cells, one becoming a spermatheca; uterus forming a conspicuous, thick-walled chamber; vagina short, directed forward. The uterine egg may be as long as 1/ 4 body length.