Diagnosis- Female: 0.74 mm; a = 25; b =
4.1; c = 11.1; V = 62
Lips completely amalgamated, low, rounded. Esophagus: Isthmus
length equal to neck width; corpus slender, cylindrical, 41/2 times as
long as isthmus. Nerve
ring encircling corpus almost one neck-width above junction with isthmus.
Excretory pore slightly posterior to nerve ring. Female tail conoid,
acute, with terminus slightly bent ventrally. Male unknown.
Most resembling Eucephalobus laevis but the
cephalic axils are shallower and less angular and the corpus of the esophagus
is longer in proportion to the isthmus.
Habitat: Decaying portion of King Alfred daffodil, infested
with Ditylenchus dipsaci (Kuhn, 1858); from Brookings, Oregon.
(Description- Thorne, 1937)