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Table 3 Morphometrics of Steinernema affine M.313

From: First report of entomopathogenic nematode Steinernema affine (Nematoda: Steinernematidae) in Syria and its virulence against Galleria mellonella L. (Lepidoptera: Pyralidae)

Character

Infective juveniles (IJs)

First generation

Second generation

Male Female

Male Female

n

20

20

20

20

20

L

765 ± 45.2

(663–820)

1557.7 ± .99

(1390–1677)

4954 ± 289

(3465–5700)

1399.6 ± 111

(1154–1630)

1702 ± 99.1

(1451–1845)

MBD

32.5 ± 1.8

(27–35)

106.5 ± 17.2

(73–139)

274 ± 9.4

(264–285)

76.2 ± 6.3

(68–89)

83 ± 4.8

(75–88)

EP

67.9 ± 3.4

(62 -72)

107 ± 6

(97–119)

146.2 ± 11.1

(131–169)

110.5 ± 6.2

(101–117)

106.5 ± 2.3

(104–112)

NR

95.1 ± 6.2

(87–105)

125.6 ± 7.3

(118–146)

170.5 ± 10.2

(158–191)

131 ± 7.3

(125–140)

134.7 ± 12.6

(119–136)

ES

118.4 ± 5.6

(113–132)

172 ± 5.75

(160–180)

238.9 ± 14.2

(222–253)

175.2 ± 6.5

(165–184)

186.4 ± 3.2

(178–189)

ABD

19.4 ± 1.0

(18–23)

61.3 ± 5

(52–73)

90.8 ± 5.2

(83–102)

48.2 ± 4.2

(42–51)

49.2 ± 7.2

(42–55)

T

64.8 ± 4.6

(61–69)

52.6 ± 2.9

(48–57)

57.7 ± 3.8

(50–64)

40.7 ± 2.8

(34–44)

64.5 ± 6.8

(58–65)

a

28.2 ± 1.4

(22–29.8)

15 ± 2

(11.-17.5)

18.1 ± 2.6

(12.8–21.5)

18.3 ± 2.4

(15.2–23)

21.6 ± 2.4

(16.2–24)

b

6.2 ± 1

(5.4–8.7)

9 .2 ± 0.6

(7.9–10.1)

20.7 ± 2.8

(13.6–23.4)

8 ± 0.8

(6.9–9.7)

9.1 ± 1.1

(7.1–10.8)

c

11 ± 1.2

(10 -12.2)

29.6 ± 2.5

(26.4 -35)

85.8 ± 3.8

(71.1–97.5)

29.9 ± 2.6

(23.6- 31.5)

26.5 ± 5.2

(20.6–33.8)

D%

56.3 ± 2.9

(48 -62.3)

62.4 ± 3.3

(56 -66)

61.2 ± 3.1

(55.1–65.3)

62.1 ± 3.9

(55–68.4)

57.1 ± 1.8

(55- 61.2)

E%

104.1 ± 10.4

(94.3- 106.2)

204 ± 16.1

(186–242)

254 ± 16

(209–286)

231.5 ± 21.3

(208–264.4)

165.1 ± 8.1

(155–179.3)

TR

537 ± 11.7

(479–566)

 

210

(188–290)

SL

69.2 ± 6.5

(64–79)

67.5 ± 4.4

(60–74)

SW

13.4 ± 1.1

(9.7–15)

10.5 ± 1

(9–12)

GL

44.8 ± 5.4

(33–51)

36.8 ± 3.2

(30–38)

GW

8.4 ± 0.8

(8 -10.5)

7.6 ± 0.8

(7 -8.2)

SW%

113 ± 11.6

(92–123)

140.8 ± 8.7

(111–169)

GS%

66.8 ± 10.32

(49.7–84.3)

54.5 ± 3

(46- 59)

  1. All measurements are in micrometers (except n, ratio, and percentage). Data are expressed as mean ± SD (range)