Systematic and Toxicological Study with Synergy of the Mosquitoes in EL Kantara Region (Biskra, Southern Algeria)

Abstract Recent years have seen the re-emergence of vector-borne diseases, representing more than 17% infectious diseases globally. Most these can be prevented by vector control measures. Series difficulties which are linked to fight. Plant insecticides present interesting alternatives chemical currently used in fight against pests. In first part, we inventoried species region El Kantara, Biskra, conducting surveys three sites. The second part focuses on biological larvae most abundant region, that is, Culiseta longiareolata . faunal inventory Culicidae sites Kantara showed seven belonging genera. genus was best represented, particularly with C. (89.91%). toxicological activity ethanoic extracts seeds Peganum harmala and Citrullus colocynthis studied synergy at different concentrations. mortality rate increased over time reach 70% after 5 days.