Table 2 ALP activity (U/L) in haemolymph and fat body of the early 5th instar larvae of Rh. ferrugineus after 24-h treatment with LC₅₀ and LC₇₅ of the tested insecticidal compounds

Pyriproxyfen

LC₇₅ (2317.5)

18.52 ± 14.46 b

− 46.66

4.32 ± 0.53 c

−29.3

LC₅₀ (1067.5)

13.89 ± 6.94 b

− 59.99

8.93 ± 0.99 c

46.15

Neemazal

LC₇₅ (27100)

39.35 ± 8.02 a

13.34

11.37 ± 0.96 d

86.09

LC₅₀ (14600)

23.15 ± 4.01 a

− 33.32

1.82 ± 0.32 d

− 70.21

Spinetoram

LC₇₅ (88.60)

11.57 ± 8.02 b

−  66.68

4.13 ± 0.69 b

− 32.41

LC₅₀ (18.37)

32.41 ± 8.02 a

− 6.65

3.78 ± 0.33 c

− 38.13

34.72 ± 6.94

–

6.11 ± 0.34

–