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Table 3 Effects of the sub-lethal concentration, LC30 value, of tested bio-and chemical insecticides on the development parameters of Tuta absoluta from 2nd instar larvae to eclosion

From: Lethal and sub-lethal effects of bio-and chemical insecticides on the tomato leaf miner, Tuta absoluta (Meyrick) (Lepidoptera: Gelechiidae)

Insecticides formulationsDuration (mean ± SE)
*Larval**PupalPupal mortality %Pupation %Pupal weight (mg)
FemaleMale
Control6.08f ± 0.916.62d ± 0.960.68e ± 0.6898.00a ± 0.000.20e ± 0.010.22b ± 0.01
Lepinox (Bt)9.12c ± 0.207.41bc ± 0.1629.77ab ± 0.5567.33b ± 3.710.25d ± 0.000.27b ± 0.01
Dipel 2× (Bt)8.37d ± 0.119.22a ± 0.3333.30a ± 1.4370.00b ± 1.150.27cd ± 0.000.26b ± 0.01
Protecto (Bt)12.72a ± 0.718.02b ± 0.2126.94ab ± 6.0266.67b ± 6.670.30ab ± 0.010.30b ± 0.00
Spinosad7.52e ± 0.187.13cd ± 0.2821.39bc ± 2.952.00cd ± 4.00.31a ± 0.010.33b ± 0.01
Emamectin benzoate10.44b ± 0.267.84b ± 0.2624.45ab ± 3.1748.67d ± 1.760.27cd ± 0.010.35a ± 0.00
Chlorpyrifos8.3d ± 0.187.45bc ± 0.166.39de ± 1.8593.61a ± 1.850.28bc ± 0.010.28b ± 0.01
Indoxacarb8.05d ± 0.156.98cd ± 0.213.93cd ± 0.9760.00bc ± 1.150.26d ± 0.010.24b ± 0.01
  1. Values marked with the same letters are not significantly different (P > 0.05: Duncan’s multiple range tests).
  2. *number of days from 2nd instar larvae till pupation, **number of days from pupae till the eclosion