Different species of mosquitoes (pathogen carrying vectors) prevail in different regions of the world. Population density, sanitation and personal hygiene, economic status and topography have been known to be the contributory factors for the growing of the fauna. A study has been conducted in the Autonagar area of Vijayawada city, Andhra Pradesh for a period of one year; 3 selected localities were categorized into 3 Slum areas (low income group). Sanath nagar area situated near by the Autonagar

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... bus stand, which includes 1785 families (6229 population). Municipal quarters are located at beside Gurunanak colony which is present in Autonagar area includes 1325 of families (5307 population) and Rellies huts includes 1219 families (4769 population). The three areas consist of 4329 families (16305 population). The prevalence of the three mosquito fauna has shown vide variation based on the topography and socio-economic status. All the 3 slum areas have shown high incidence of Culex quinquefasciatus and lowest incidence of Anopheles stephensi; incidence of Aedes aegypti in found to be moderate