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Table 1 Lethal concentrations of B. thuringiensis and B. bassiana against second instar larvae of T. absoluta

From: Microbial biopesticides affected age-stage life table of the tomato leaf miner, Tuta absoluta (Lepidoptera – Gelechiidae)

Biopesticides LC50 95% confidence limits LC90 95% confidence limits Slope
B. thuringiensis (mg/ml) 0.24 0.16–0.48 4.16 1.35–6.48 1.33 ± 0.34
B. bassiana (spore/ml) 1.8 × 107 1.2 × 107–9.5 × 107 48.9 × 107 10.9 × 107–100.4 × 107 0.48 ± 0.24
  1. The larvae treated for only 24 h and the larval mortality were recorded and corrected with the control until pupation