Skip to main content

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

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) 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
Control 34.72 ± 6.94 6.11 ± 0.34
  1. Conc., a, b, c, d: see footnote of Table 1
\