0.55 mm; a = 19; b = 14.3; c = 18; V = 60
Body robust. Lip region about one-third as wide as neck base
and practically continuous with neck contour. Amphids located somewhat
farther below lips than usual. Musculature of lips tapering to a
slender bundle which surrounds the spear and its extension. Spear
length four to five times width of lip region. Spear extension practically
same length as spear. Esophagus a slender flexible tube in the anterior
half; basal portion cylindrical and about two-thirds as wide and twice
as long as the neck width, set off by constriction. Cardia small,
discoid. Vulva a transverse slit. Vagina extending only about one-third
across body. Ovaries reflexed to near vulva. Eggs about twice
as long as body width. Prerectum length about equal to body width.
Rectum same length as prerectum. Tail slightly arcuate, conoid to
subacute terminus. Males unknown and gravid females contain no sperms.
Diagnosis: Longidorella with the above measurements
and general description. Distinctive because of the form of the lip
region and the conoid tail.
Habitat: A rare species from cultivated fields near Salt
Lake City and Salem, Utah, U.S.A.
DNA Sequences Obtained