Table 1.
Specific information about entomopathogenic fungi isolates used in the present study.
Table 2.
Mean mortality (% ± SE) of red palm weevil eggs treated with Metarhizium anisopliae and Beauveria bassiana isolates under laboratory conditions.
Fig 1.
Comparison of healthy and fungi-treated red palm weevil eggs.
Healthy egg, exposed to distilled water (control) (A) and infected egg, exposed to fungi Beauveria bassiana (B) and Metarhizium anisopliae (C) (treated) (1 × 109 conidia/ml) under laboratory condition.
Table 3.
Mean mortality (% ± SE) of 3 and 35 days old larvae of red palm weevil treated with Metarhizium anisopliae and Beauveria bassiana under laboratory conditions.
Fig 2.
Comparison of healthy and fungi treated red palm weevil larvae.
Healthy larvae, (3 and 35 days old) exposed to distilled water (control) (A), early symptoms of infection (1 day after dead) by fungi (B), and infected larvae (3 and 35 days old), exposed to fungi Beauveria bassiana (C) and Metarhizium anisopliae (D) (treated) (1 × 109 conidia/ml) under laboratory condition.
Table 4.
Mean mortality (% ± SE) of pupae of red palm weevil treated with Metarhizium anisopliae and Beauveria bassiana under laboratory conditions at 25 ± 2°C and 85 ± 5% RH.
Fig 3.
Comparison of healthy and fungi treated red palm weevil pupae.
Healthy pupae exposed to distilled water (control) (A) and infected pupae exposed to fungi Beauveria bassiana (B) and Metarhizium anisopliae (C) (treated) (1 × 109 conidia/ml) under laboratory condition.
Table 5.
Mean mortality (% ± SE) of adults of red palm weevil treated with Metarhizium anisopliae and Beauveria bassiana under laboratory conditions.
Fig 4.
Comparison of healthy and fungi-treated red palm weevil adults.
Healthy adults exposed to distilled water (control) (A), and infected adults, exposed to fungi Beauveria bassiana (B) and Metarhizium anisopliae (C).