الكفاءة الإفتراسية للدعسوقة ذات السبع نقاط Coccinella Spetempunctata (L.)‎ في مكافحة من الباقلاء الأسود Aphis fabae (Scop)‎ (Homoptera : Aphididae)‎

Abstract EN

Field and laboratory studies were conducted to evaluate the predtion potency of the predator coccincella septemounctata (L.) (Coleoptera : Coccinellidae).

In controlling Aphis fabae (scop).

Results showed that larvae of predator consumed 995, 313and 61of eggs, nymphs and adults for insect Aphis fabae respectively.

And the fourth phase larvae of the predator are the most predatisim efficiency, and the adults predator can feed on the insect stages from the egg, nymphs and adults 1663, 871 and 216respectively.

Also the results showed that the density of larvae and adults predator high efficiency in decreasing the density for different insect stages.