Table 2 Median lethal time (LT₅₀) of two isolates of Clonostachys rosea against adult stage of Callosobruchus maculatus, Trogoderma granarium and Tribolium castaneum. The conidial concentration of each entomopathogenic fungal isolate used for treatment was 1 × 10⁸ conidia ml⁻¹

Callosobruchus maculatus

Clonostachys rosea isolate AA80

3.28 ± 0.69

4.83

4.30–5.63

1.54

Clonostachys rosea isolate AA82

3.77 ± 0.45

4.79

4.04–5.80

2.73

Trogoderma granarium

Clonostachys rosea isolate AA80

4.12 ± 0.82

4.81

4.23–6.11

0.96

Clonostachys rosea isolate AA82

2.98 ± 0.57

4.86

4.35–5.95

1.79

Tribolium castaneum

Clonostachys rosea isolate AA80

3.49 ± 0.72

4.93

4.47–6.24

2.48

Clonostachys rosea isolate AA82

4.32 ± 0.84

4.95

4.15–6.33

1.24