| 25. |
Stylet 14 - 15 um long; spermatheca oblong, 24 -
27 um long; tail with 20 -28 annules (excluding those around tip);
tail terminus oblique sometimes more symmetrically conoid or slightly mucronate;
spicules 17 - 19 um long
|
P. pratensis(de
Man, 1880) Filipjev, 1936
|
| 25. |
Stylet 16 -17.5um long; spermatheca elongate, 28
- 77 um long and 2 - 5 times its width; tail width 32 - 44 annules
(exluding those around tip); tail terminus sharply conical; spicules 20
- 21 um long |
P. kasari Ryss, 1982
|
|
| 26. |
Spermatheca round 
|
..................27 |
| 26. |
Spermatheca square or broadly oval to rectangular |
|
|
| 27. |
Tail cylindrical or conical; tail terminus rounded
and finely crenate
|
.................28 |
| 27. |
Tail bluntly rounded or conoid; tail terminus truncate
|
.................29 |
| 27. |
Tail long, conical; tail terminus variable, from more-or-less
pointed to stout blunt always showing a terminal projection |
P. morettoiLuc,
Baldwin & Bell, 1986
|
|
| 28. |
Vulva at 77 - 81%; tail conical with 16 - 26 annules; posterior
uterine branch often with rudimentary elements
|
P. fallaxSeinhorst,
1968
|
| 28. |
Vulva at 73 76%; tail cylindrical with 17 -20 annules;
posterior uterine branch without rudimentary elements |
P. exilisDas
& Sultana, 1979
|
|
| 29. |
Lip region high; excretory pore posterior, located at level
of junction between esophagus and intestine; tail bluntly rounded; terminus
coarsely crenate
|
P. convallariaeSeinhorst,
1959
|
| 29. |
Lip region low; excretory pore anterior, located above
median bulb; tail conoid; terminus finely crenate |
P. cerealis Haque, 1966
|
|
| 30. |
Lip region high, flat; stylet 18 - 19 um long; tail
conoid with a bluntly ending annulated terminus; ovary reflexed; spermatheca
oval
|
P. barkatiDas
& Sultana, 1979
|
| 30. |
Lip region low, rounded or sometimes flat; stylet 14 -
17 um long; tail elongate conoid to broadly conoid with a large
terminal annule or with a distal subventral projection; ovary outstretched |
................31 |
|
|
