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Table 2 Morphometrics of Steinernema affine M.22.

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

759.8 ± 47.6 (655–835)

1539 ± 98.2 (1373–1773)

4941 ± 390 (3567–5500)

1397.5 ± 152 (1178–1645)

1691 ± 85 (1451–1845)

MBD

32.2 ± 1.9 (29–34)

106 ± 14 (75–141)

272.8 ± 10.5 (264–285)

76.1 ± 6.6 (70–89)

80.5 ± 5 (72–88)

EP

67.76 ± 3.3 (62 -72)

108.5 ± 5.9 (95–122)

145.8 ± 11.1 (135–168)

110.7 ± 6.2 (100–119)

106 ± 2.6 (103–111)

NR

95 ± 6 (87–107)

124.8 ± 7.4 (114–144)

170.6 ± 10.4 (156–191)

131.2 ± 7.3 (126–1147)

135.2 ± 12.2 (120–140)

ES

118.3 ± 6 (110–132)

170.43 ± 6.1 (160–178)

238.7 ± 14 (242–278)

175.7 ± 6.2 (162–184)

185.8 ± 3.7 (179–190)

ABW

19.3 ± 1.0 (18–21)

60.1 ± 5.3 (53–70)

90.5 ± 7.1 (78–100)

46.3 ± 4.2 (40–49)

48.7 ± 7.7 (42–58)

T

65.1 ± 4.8 (59–69)

51.1 ± 4.8 (42–57)

57.6 ± 4.4 (53–66)

46 ± 2.8 (39–50)

64 ± 3 (58–69)

a

23.6 ± 1.4 (22–26.1)

14.8 ± 2.4 (11.33–19.5)

18.1 ± 2.7 (13.2 − 21.5)

18.4 ± 2.4 (15.2–23)

20.8 ± 2.6 (16.8–24)

b

6.4 ± 0.5 (5.1–7.4)

9 ± 0.6 (7.7–10.3)

20.7 ± 2.8 (14.2 − 23.7)

7.9 ± 0.8 (6.9–9.7)

9 ± 1.3 (7.2–11.1)

c

11.7 ± 1.2 (10.2 − 13.3)

30.3 ± 3.3 (26.6–36.6)

85.8 ± 10.2 (61.5–98.8)

29.4 ± 2.6 (24–32.6)

26.4 ± 4.8 (20.6–33.8)

D%

57.4 ± 3.9 (48.4–62.7)

63.5 ± 2.1 (56.3–68)

61 ± 3 (54.6–62.8)

63 ± 4.1 (55.5–70)

57.2 ± 1.6 (55.7–60.6)

E%

104 ± 10.4 (93.7–106.5)

214 ± 4.6 (182–271)

253 ± 18.6 (204–287)

236.5 ± 21.3 (208–264.4)

166.4 ± 8.1 (155–179.3)

TR

513 ± 13 (483–519)

 

210 (188–290)

Spicule Length

69 ± 6.9 (60–80)

67.5 ± 4.4 (60–74)

Spicule width

13.3 ± 1.4 (9–15)

10.5 ± 1 (9–12)

GL

45.1 ± 6.6 (33–54)

39.3 ± 4.3 (31–42)

GW

8.8 ± 0.6 (8–10)

8 ± 0.6 (7.1–9.8)

SW%

115.2 ± 10.9 (92–123.3)

146 ± 6.2 (109–168)

GS%

65.8 ± 11.1 (55–90)

58.3 ± 8.1 (48—68)

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