Dimensions. 4 females L = 0.85 - 0.86 mm a = 30
- 33 b = 4.8 - 5.0 c = 12 - 13 V = 51 - 53 Stylet
25 - 28 u long
2 males L = 0.90 - 0.96 mm a = 33 - 40 b = 5.5 - 5.7
c = 10 - 11 T = 51 - 52 per cent Stylet 27 - 28 u long
Female (holotype). L = 0.86 mm a = 30
b = 4.8 c = 13 V = 53
Body cylindrical, tapering slightly at both ends. Lip region
hemispherical, set off from body contour by constriction, bearing 6 fine
annules. Labial sclerotization faint, inconspicuous. Stylet
28 u long, well developed, with large rounded knobs. Excretory
pore opens immediately behind nerve ring. Esophageal-intestinal valve
large, hemispherical. Spermatheca containing spermatozoa present.
Tail subcylindrical, bluntly rounded, with terminus not striated.
Cuticle coarsely striated. Lateral field with 6 incisures.
Phasmids prominent, opening at middle of tail.
Male (allotype). L = 0.96 mm a = 40
b = 5.7 c = 10 T = 52 per cent Stylet 28 u long.
Similar to female. Bursa envelops tail. Gubernaculum simple,
curved.
Type host. Soil at root of Cactus.
Type locality. Sixty-five miles west of Colorado Springs,
Colorado, elevation 8,500 feet.
(Description- Allen, 1955)
