A study on diversity of mosquito was conducted in a foot hill village of Sirumalai Hills for a year. Both immature and adult forms of mosquitoes were collected by standard WHO method. A total number of 1440 mosquitoes that belongs to 4 genera and 17 species were collected . The most dominant species was Culex quinquefasciatus (19.58%) followed by Aedes albopictus (12.91%), Anopheles vagus (12.29%), Anopheles subpictus (12.01%), Culex triteaniorhynchus (10.69%), Culex vishnui (9.76%) and Armigeres subalbatus (6.66%) and least species were Anopheles fluviatilis (3.9%), Anopheles culicifascies (3.3%).
