Surveillance of mosquitoes vectors in Ajumoni Estate Ogun State, Nigeria 

By Ajayi, M.B,  Adeleke M.A, Idowu E.T and  Awolola T.S

                         

ABSTRACT

The study was carried out in Ajumoni Estate, a peri urban area Ogun state, Nigeria to provide baseline information on the mosquito vectors responsible for the diseases transmission in the area. The mosquitoes were collected indoor using mechanical aspirator from ten randomly selected houses (5 netted and five un-netted) between March and August 2004. The mosquitoes were identified morphologically using standard keys. A total of 1308 mosquitoes comprising Anopheline (18.85%), Culex (62.7%) and Aedes (18.5%). The abundance of Culex species was significantly higher (p<0.05) than the Aedes and Anopheles species throughout the period of the study but the variation in abundance of Aedes and Anopheles species was not statistically significant (p>0.05). The mosquito abundance was higher in un-netted flies as compared with the netted flies but the difference in mosquito population in both types of sampled houses was not statistically significant (p>0.05). The study therefore showed the need for constant surveillance on transmission indices of the mosquitoes so as to reduce the risk of the residents to mosquito borne diseases including malaria.  

Key words:  Mosquitoes, species composition, Nigeria. 

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