Table 1.
Morphometrics of P. laevicollis sp. n.
| Character | P. laevicollis RS5939 stenostomatous male | Stenostomatous female |
|---|---|---|
| n | 10 | 10 |
| L | 834 ± 104 (662–971) | 1104 ± 209 (746–1325) |
| L’ | 705 ± 89.6 (566–836) | 908 ± 179 (595–1126) |
| a | 15 ± 1 (13–17) | 13 ± 0.8 (12–15) |
| b | 6.5 ± 0.5 (5.9–7.4) | 7.6 ± 0.8 (5.8–8.6) |
| c | 6.5 ± 0.4 (5.9–7.2) | 5.7 ± 0.7 (4.6–6.9) |
| c’ | 3.9 ± 0.4 (3–4.3) | 5.8 ± 0.7 (4.9–7.1) |
| T or V | 59 ± 2 (56–62) | 46 ± 2.1 (42–49) |
| Maximum body diam. | 57 ± 7.4 (47–66) | 83 ± 14.8 (57–97) |
| Stoma length | 9.4 ± 1 (7.7–10.6) | 11.1 ± 1.1 (9–12.5) |
| Stoma diam. | 5.6 ± 0.7 (4–6.4) | 6.4 ± 0.7 (5.5–8.0) |
| Pharynx length (head to base of pharynx) | 118 ± 9.5 (103–132) | 137 ± 15.5 (113–154) |
| Anterior pharynx (pro– + metacorpus) | 72 ± 6.7 (61–81) | 84 ± 8.7 (71–93) |
| Posterior pharynx (isthmus + basal bulb) | 46 ± 2.9 (42–51) | 53 ± 7.1 (42–63) |
| Ant/total pharynx % | 61 ± 1 (58–61) | 61 ± 1.2 (59–63) |
| Median bulb diam. | 20 ± 2.1 (16–22) | 27 ± 3.1 (22–30) |
| Terminal bulb diam. | 19 ± 1.7 (16–21) | 25 ± 3.8 (19–31) |
| Testis length | 490 ± 72.5 (370–570) | – |
| Ant. end to vulva | – | 504±86.2 (365–613) |
| Vulva to anus distance | – | 410 ± 78.9 (275–523) |
| Cloacal or anal body diam. | 33 ± 2.3 (28–36) | 34 ± 4.5 (32–60) |
| Tail length | 129 ± 17.4 (96–152) | 196 ± 47.1 (138–285) |
| Spicule length (curve) | 44 ± 2.5 (40–47) | – |
| Spicule length (chord) | 35 ± 2.1 (31–38) | – |
| Gubernaculum length | 16 ± 1 (14–17) | – |