Istabraq mahmood mahdi, Ahmed ali essa and Husham naji hameed 2023. Study the effect of different dilution of fungal filtrate from Beauveria bassiana on mosquito Culex pipiens pipiens L. (Diptera:Culicidae ). Tikrit Journal of Pure Science. 20, 3 (Feb. 2023), 25–30. DOI:https://doi.org/10.25130/tjps.v20i3.1183.