Skip to main content
. 2021 Aug 18;22(16):8915. doi: 10.3390/ijms22168915

Table 1.

LC50 and LC90 values of four compounds against the third- to fourth-instar larvae of Aedes albopictus and Culex pipiens biotype molestus after 24 h exposure (SE: standard error; d.f.: degrees of freedom).

Compound Slope (±SE) LC50
(95% CL) a
LC90
(95% CL) a
x2 df
Aedes albopictus 1f 6.4 ± 0.6 9.2
8.5–9.9
14.5
12.8–17.8
37.064 20
5 9.7 ± 1.1 36.0
32.6–39.5
48.8
43.6–60.9
26.174 b 10
3f 2.3 ± 0.2 5.5
4.6–6.3
20.2
16.4–26.9
14.302 22
6d 4.2 ± 0.5 23.6
21.3–26.2
47.38
40.5–59.8
14.013 10
Culex pipiens 1f 4.0 ± 0.4 6.0
5.4–6.6
12.5
11.0–15.0
10.395 14
5 3.1 ± 0.3 9.4
8.2–10.6
24.0
20.2–30.5
10.194 b 13
3f 2.4 ± 0.2 5.0
4.4–5.7
17.0
14.3–21.2
15.977 24
6d 10.6 ± 0.9. 32.5
31.4–33.7
42.93
40.8–45.9
12.193 17

a LC values are expressed in ppm (mg/L) and they are considered significantly different when 95% CL fail to overlap; b Since goodness–of–fit test is significant (p < 0.05), a heterogeneity factor is used in the calculation of confidence limits (CL).