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Table 3 GPT 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) 53.33 ± 10.41 c − 40.74 6.67 ± 1.33 c − 53.9
LC50 (1067.5) 45.00 ± 8.66 c − 50 11.90 ± 3.22 a − 17.76
Neemazal LC75 (27100) 848.33 ± 10.41 d 842.59 13.77 ± 1.20 a − 4.84
LC50 (14600) 63.33 ± 10.41 b − 29.63 10.24 ± 1.04 a − 29.23
Spinetoram LC75 (88.60) 43.33 ± 5.77 c − 51.86 9.41 ± 0.99 b − 34.97
LC50 (18.37) 658.33 ± 15.28 d 631.48 10.20 ± 1.63 a − 29.51
Control 90.00 ± 8.66 14.47 ± 2.13
  1. Conc., a, b, c, d: see footnote of Table 1
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