Tehran University of Medical Sciences Journal of Arthropod-Borne Diseases 2322-1984 11 1 2017 04 18 147 155 EN Elham A El Zayyat Parasitology Department, Faculty of Medicine, Ain-Shams University, Cairo, Egypt Mohammed I Soliman Research Institute of Medical Entomology, Dokki, Egypt Noha A Elleboudy Parasitology Department, Faculty of Medicine, Ain-Shams University, Cairo, Egypt Shaimaa E Ofaa Parasitology Department, Faculty of Medicine, Ain-Shams University, Cairo, Egypt 2016 04 27 2016 04 27 Background: Protecting the environment from chemical hazards of synthetic insecticides along with offering of new breeding areas for vectors by urbanization indicate the trial of natural insecticides. Methods: The acetone extracts of Anethum graveolens, Ocimum basilicum and Thymus vulgaris were tested for their insecticidal effect on Culex pipiens adults and larvae in different concentrations depending on the technique used. Results: The extracts were significantly effective in all models used with basil being the best in all tested three tech­niques (LC50= 0.064) in larval feeding, (LC50= 0.330) in CDC bottle assay and (LC50= 13.148) in adults feeding (P< 0.05). Conclusion: The results recommend the eco-friendly studied extracts as candidates for controlling Cx.  pipiens the lymphatic filariasis vector. https://jad.tums.ac.ir/index.php/jad/article/view/430 https://jad.tums.ac.ir/index.php/jad/article/download/430/314