Abstract
A laboratories experiment was conducted by using petri dishes in the laboratories of Women educatiob college-Tikrit University to study effect of Zingbel officinale oil and water extract of Citrullus colocynthis and Peganum Harmala on mortality Tribolium castaneum .Results showed superior the treatmentof Zingbel officinale oil with mixture of water extract both Citrullus colocynthis and Peganum Harmala on given higher mortalit percentage reached 78.4% while less mortality percentage recorded on control treatment reached 0%. Hugher percentage of mortality recorded on same treatment after first day from the treatment then the this percentage decreased graduly on the second and third days from treatment.
