| 7. |
Males common; spermatheca filled with sperm 
|
|
| 7. |
Males are rare; spermatheca empty |
|
|
| 8. |
Tail terminus narrowly rounded to subacute
|
P. loosi
Loof, 1960
|
| 8. |
Tail terminus slender, broadly to conically rounded, truncate
or indented |
|
|
| 9. |
Stylet less than 15um; spermatheca spherical ;
tail terminus usually with one or two indentations
|
P. alleni
Ferris, 1961
|
| 9. |
Stylet 15 um or more long; spermatheca usually oval
(occasionally rounded to rectangular) |
|
|
| 10. |
Stylet 15 - 18 um long
|
|
| 10. |
Stylet 19 - 25 um long |
|
|
| 11. |
Spermatheca oval ;
stylet longer than 15um; tail terminus rounded or occasionally indented;
vulva at 75 - 84%
|
P. coffeae
(Zimmerman, 1898)
|
| 11. |
Spermatheca oval to round ;
stylet 15 um long; tail terminus flat, truncate; vulva at 77% |
P. obtusicaudatus Romaniko, 1977
|
|
| 12. |
Lip region low, angular; stylet 19 - 22um long with
rounded knobs; tail terminus rounded or broadly rounded; males rare
|
P. brachyurus
(Godfrey, 1929)
|
| 12. |
Lip region high, roundly convex; stylet 22- 25 um
long with strong, flattened or slightly cupped knobs; tail terminus slender,
conically rounded; males rare |
P. macrostylus Wu, 1971
|
|
