Studies on mosquito borne dieases in Egypt and Qatar.

Mosquitoes identification, distribution and densities in representative Egyptian Governorates and five Qatarain Municipalities (Al Rayyan, Doha, Al Daayan, Al Khor & Al Zahakira and Al Shamal) were studied. In Qatar the larvae were Culex pipiens complex, C. univettatus, C.

Susceptibility of Culex pipiens complex to some insecticides in Qatar.

Insecticides susceptibility tests were conducted on Culex pipiens larvae from both Doha and Al-Rayan. The insecticides used were chloropyrifos, propetamphos (Organophosphorous), cyphenothrin, cyfluthrin (Synthetic) and etofenprox. Larvae in Al-Rayan district were more susceptible to all insecticides than in Doha.