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Table 1 Morphometric data of Steinernema surkhetense from different localities. All measurements are in μm (except for ratio)

From: First report of entomopathogenic nematode Steinernema surkhetense and its pathogenic potential to larvae of the Greater Wax Moth (Galleria mellonella L.) in Vietnam

Characters S. surkhetense from Vietnam S. surkhetense from Nepal (Khatri-Chhetri et al., 2011)
Females Males Infective juveniles Females Males Infective juveniles
1st generation 2nd generation 1st generation 2nd generation 1st generation 2nd generation 1st generation 2nd generation
n 10 10 10 10 10 20 20 20 20 20
L 7405 ± 1103 (5962–9990) 1632 ± 108 (1400–1768) 1664 ± 91 (1549–1828) 879 ± 65 (802–993) 474 ± 21 (437–500) 2970 ± 922 (1894–5692) 1072 ± 101 (875–1290) 1224 ± 194 (887–1576) 824 ± 89 (621–945) 415 ± 15 (393–450)
a 28 ± 3 (24–34) 13 ± 0.7 (12–14) 10.6 ± 0.8 (9–11) 15 ± 1 (13–16) 20 ± 1 (19–22) 19 ± 2.7 (13–25) 13 ± 1.4 (11–16) 12 ± 1.3 (10–14) 12 ± 1.9 (8.8–15) 19 ± 1.8 (16–24)
b 33 ± 4 (26–41) 10.5 ± 1 (9.0–12) 11.2 ± 1 (10–12.7) 7.2 ± 0.2 (6.9–7.5) 5 ± 0.2 (4.7–5.2) 24 ± 8.8 (14–49) 5.6 ± 0.5 (4.6–6.7) 11 ± 1.6 (8.0–15) 6.8 ± 0.8 (5.2–8.0) 5 ± 0.2 (4.3–4.8)
c 201 ± 37 (152–283) 40 ± 4 (36–48) 58 ± 6 (49–67) 44 ± 4.8 (35–50) 10.5 ± 0.3 (10–10.8) 161 ± 54 (91–309) 11 ± 1.6 (8.7–15) 65 ± 12 (43–85) 44 ± 6.9 (31–59) 9 ± 0.5 (8.3–10)
c’ 0.4 ± 0.1 (0.3–0.6) 1 ± 0.1 (0.9–1.1) 0.7 ± 0.0 (0.6–0.8) 0.8 ± 0.1 (0.7–0.9) 3.9 ± 0.1 (3.8–4.1)
V 53 ± 2.3 (48–54) 57 ± 2.6 (53–62) 54 ± 3.4 45–59 50 ± 2.7 (42–54)
W 268 ± 28 (225–318) 123 ± 11 (103–142) 163 ± 15 (145–186) 60 ± 5.2 (51–69) 23 ± 0.8 (22–25) 154 ± 34 (102–236) 80 ± 10 (64–97) 105 ± 19 (75–132) 73 ± 13 (56–96) 21 ± 1.8 (18–25)
EP 92 ± 16 (56–107) 76 ± 5 (69–83) 73 ± 6 (62–84) 61 ± 4 (55–66) 34 ± 1 (32–35) 53 ± 13 (33–86) 137 ± 21 (96–195) 55 ± 10 (43–78) 44 ± 4 (35–50) 32 ± 1.5 (28–34)
NR 154 ± 14 (134–179) 108 ± 6 (98–118) 106 ± 11 (82–117) 90 ± 5.4 (82–100) 67 ± 3.4 (61–70) 93 ± 17 (65–114) 159 ± 13 (142–198) 92 ± 19 (59–140) 90 ± 10 (73–109) 63 ± 3.1 (57–70)
ES 226 ± 12 (207–244) 157 ± 11 (139–180) 149 ± 10 (124–160) 122 ± 7 (114–133) 95 ± 3 (90–99) 132 ± 31 (52–190) 193 ± 16 (173–236) 115 ± 15 (86–146) 122 ± 11 (106–141) 92 ± 4.1 (84–101)
ABD 92 ± 8.8 (80–110) 41 ± 3.8 (33–46) 41 ± 1.4 (40–44) 26 ± 1.4 (24–28) 11.6 ± 0.5 (10.8–12) 47 ± 10 (25–68) 28 ± 3.2 (21–34) 31 ± 3.8 (23–38) 27 ± 2.3 (23–32) 12 ± 0.8 (11–14)
T 37 ± 4.4 (31–46) 41 ± 5 (31–47) 29 ± 1.7 (25–32) 20 ± 1.4 (18–23) 45 ± 1.5 (43–47) 19 ± 5.0 (12–30) 103 ± 15 (65–135) 19 ± 2.1 (16–23) 19 ± 3.6 (15–27) 45 ± 3.2 (38–53)
HT 19.6 ± 1 (18.4–22) 26 ± 3.9 (20–32)
SPL 74 ± 6 (62–81) 60 ± 3.6 (57–68) 70 ± 5.2 (58–78) 64 ± 5.4 (55–76)
SPW 11.6 ± 1 (10.2–13) 10 ± 0.7 (8.6–10.8)
GUL 53 ± 4 (48–58) 43 ± 4.2 (38–50) 52 ± 5.1 (42–63) 44 ± 5.6 (35–53)
GUW 7 ± 0.6 (6.3–7.8) 6 ± 0.8 (4.7–7.6)
H% 44 ± 2.5 (40–47) 57 ± 7.4 (44–73)
D% 41 ± 7 (24–46) 49 ± 3.7 (43–56) 49 ± 4.8 (40–55) 50 ± 2.5 (46–55) 35 ± 1 (34.7–37) 44 ± 20 (28–117) 71 ± 10 (50–87) 48 ± 8.7 (37–64) 36 ± 3.3 (31–42) 35 ± 2.2 (31–40)
E% 247 ± 42 (160–302) 193 ± 26 (162–250) 256 ± 29 (203–296) 301 ± 34 (239–340) 75 ± 2 (72–78) 292 ± 84 (156–453) 137 ± 28 (85–189) 295 ± 66 (205–429) 237 ± 45 (167–313) 72 ± 6.4 (54–84)