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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)
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