Pratylenchus Species Key
[Click on  to see Picture Comparisons of characters]
49. Body length shorter, L = 420 - 590 u
.................50
49. Body length longer, L = 590 - 790 um
..................52
50.
Posterior uterine branch short, about one vulval body width long, undifferentiated 
P. andinusLordello, Zamith & Boock, 1961
50. Posterior uterine branch long with non-functional rudimentary posterior ovary ..................51
51.
 Stylet 13 - 16um long; tail with 16 - 23 annules 
 P. sefaensisFortuner, 1973
51. Stylet 15 - 18um long; tail with 13 - 15 annules
P. manohariQuraishi, 1982 
52. Body length 730um (648 - 793); anterior surface of stylet knobs concave; hemizonid located at 2 - 8 annules anterior to excretory pore; excretory pore 90 - 104 um from head end; tail terminus smoothly rounded to truncate 
P. cruciferusBajaj & Bhatti, 1984
52. Body length 621 um (570 - 685); stylet knobs rounded, sloping or flattened; hemizonid located immediately anterior to excretory pore; excretory pore 87 um (81 - 95) from head end; tail terminus broadly rounded, truncate or with a cleft
P. sensillatus Anderson & Townsend
53.
Vulva at 72 - 78% 
 P. dasi Fortuner, 1985
53. Vulva at 77 - 83%, usually above 81%   ................54
54. Outer two bands of lateral field narrower than middle one, areolate, occasionally with oblique with four annules, subdorsal and subventral segments of first annule fused to form almost rectangular shape with convex dorsal and ventral margins 
P. bolivianus Corbett, 1983
54. Out bands of lateral field not narrower than middle one, not areolate and without oblique striae; lip region outer margins rounded; cephalic framework bell-shaped in lateral view; amphidial aperture reniform
P. australis Valenzuela & Raski, 1985