Skip to main content

Table 1 ACP 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

From: Disturbance of phosphatase and transaminase activities in grubs of the red palm weevil Rhynchophorus ferrugineus (Coleoptera: Curculionidae) by certain insecticidal compounds

Conc. (ppm)

Haemolymph

Fat body

mean ± SD

Change %

mean ± SD

Change %

Pyriproxyfen

LC75 (2317.5)

27.22 ± 2.55 a

− 18.33

13.63 ± 0.34 c

− 17.64

LC50 (1067.5)

22.22 ± 9.62 a

− 33.33

30.95 ± 2.38 d

87.01

Neemazal

LC75 (27100)

35.56 ± 2.55 a

6.69

21.96 ± 2.00 b

32.69

LC50 (14600)

18.33 ± 1.67 b

− 45

30.18 ± 2.62 d

82.36

Spinetoram

LC75 (88.60)

22.22 ± 2.55 a

− 33.33

11.77 ± 0.25 b

− 28.88

LC50 (18.37)

27.78 ± 9.25 a

− 16.65

5.80 ± 0.28 d

− 64.95

Control

33.33 ± 16.67

–

16.55 ± 0.82

–

  1. Conc. concentration; mean ± SD followed with the letter (a): is not significantly different (P > 0.05), (b): significant (P < 0.05), (c): very significant (P < 0.01), (d): extremely significant (P < 0.001)