دراسات مختبرية حول تأثير الفطر Beauveria bassiana (Bals)‎ في حشرة الحميرة Batrachedra amydraula (Lepidoptera: Cosmopterygidae)‎

الملخص AR

This study was conducted to evaluate the pathogenicity of Beauveria bassiana to the Homaira insect Batrachedra.

amydraula under laboratory conditions.

The dilution 1 x 10-2 showed a significant and high mortality rates on the eggs, first and fifth instars of the homaira larvae which reaches 100 %, 96.19 % and 91.20 % after 7 days from treatment.

However mortality rates found to be decreased to 88.97% for fifth instar after 10 days from treatment, while results showed parasitism potentially reaches 94.

50 % in pupae and 90.

22 % in adults.