Table 2 Morphometric measurements of the Pristionchus species
From: Sex, bugs and Haldane's rule: the nematode genus Pristionchus in the United States
P. aerivorus (Cobb in Meirill & Ford 1916) | P. aerivorus RS 5106 | P. pseudaerivorus RS 5139 | P. marianneae RS 5108 | P. paulii RS 5130 | P. americanus RS 5140 | |||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
females | males | females | males | females | males | females | males | females | males | females | males | |
L | 1500 | 800 | 1494 (1265–1683) | 992 (868–1101) | 1715 (1496–1934) | 1128 (850–1333) | 1277 (983–1496) | 878 (761–983) | 1437 (1077–1809) | 1018 (972–1069) | 1207 (882–1510) | 1103 (938–1392) |
L' | 1305 | 712 | 1281 | 863 | 1542 | 1028 | 1113 | 795 | 1240 | 908 | 1042 | 989 |
(1045–1464) | (746–943) | (1306–1731) | (779–1212) | (836–1290) | (689–896) | (898–1619) | (851–950) | (749–1329) | (820–1282) | |||
mbd | 88.5 | 80 | 97(71–122) | 68(51–80) | 139(119–158) | 97(72–114) | 83(67–99) | 54(51–57) | 94(77–121) | 64(53–69) | 118(92–141) | 92(73–125) |
sl | 12 | 7,2 | 7(4.9–9.3) | 5.6(4.2–7.6) | 7.9(6.9–9.3) | 6.7(5.4–7.8) | 8.4(7.6–9.6) | 7.5(6.1–10.2) | 9.6(7.8–11.5) | 8.9(7.0–10.1) | 11.6(10.1–14.7) | 8.1(6.1–11) |
sd | 8(7–10) | 6(4–9) | 8(7–9) | 8(6–8) | 8(7–10) | 7(6–7) | 7(6–9) | 7(7–8) | 9.3(6.9–12.8) | 8.2(6.8–10.4) | ||
Pl | 180 | 120 | 176(168–184) | 153(144–159) | 193(183–198) | 174(160–188) | 176(157–189) | 154(142–163) | 208(184–229) | 184(172–191) | 181(163–199) | 176(160–190) |
cl | 133.5 | 88 | 106(98–112) | 92(83–97) | 113(106–118) | 101(89–112) | 108(99–115) | 91(80–96) | 138(119–147) | 116(111–122) | 112(101–121) | 107(90–115) |
c/p | 73.8 | 73.3 | 60(58–62) | 60(52–63) | 60(58–61) | 58(55–60) | 61(59–63) | 59(56–62) | 67(62–77) | 63(61–66) | 62(59–64) | 61(57–64) |
mbbd | 33(29–36) | 23(20–26) | 32(29–36) | 26(22–29) | 33(28–36) | 25(23–27) | 33(27–41) | 27(25–30) | 30(27–33) | 24(21–28) | ||
tbd | 31(27–35) | 23(21–26) | 36(30–44) | 29(23–32) | 28(24–34) | 22(20–24) | 33(25–43) | 27(23–30) | 32(28–38) | 28(24–30) | ||
ae-v | 765 | 667(592–763) | 837(754–883) | 639(473–751) | 731(583–885) | 605(379–788) | ||||||
rl | 51(47–58) | 44(41–48) | 45(35–56) | 44(35–48) | 43(37–49) | 38(35–42) | 40(33–46) | 36(31–44) | 43(31–53) | 43(33–54) | ||
abd | 39 | 36.8 | 39(34–48) | 36(33–39) | 49(44–53) | 51(44–58) | 38(33–41) | 40(39–41) | 40(32–49) | 42(37–47) | 46(38–55) | 46(35–59) |
spic | 55.2 | 57(52–62) | 60(50–68) | 52(46–55) | 50(40–58) | 50(46–57) | ||||||
gub | 18.4 | 25(24–26) | 25(23–29) | 25(23–30) | 24(17–29) | 22(20–24) | ||||||