Table 2

Morphometric measurements of the Pristionchus species


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)

Legend: L: total length; L': head to anus; mbd: max body diameter; sl: stoma length; sd: stoma diameter; pl: pharynx length; cl: corpus length; c/p: corpus length/pharynx length in %; mbbd: median bulb diameter; tbbd: terminal bulb diameter; ae-v: head to vulva; rl: rectum length; abd; anal body diameter; spic: spiculum length; gub: gubernaculum length; measurements are given in μm; average in front of and minima/maxima in parenthesis.

Herrmann et al. Frontiers in Zoology 2006 3:14   doi:10.1186/1742-9994-3-14