Seasonal abundance and diversity of mosquito in different ecosystems of Annamalainagar, Tamil Nadu

A field survey conducted to evaluate the seasonal abundance, species diversity and identify potential breeding sites of mosquito in Annamalainagar municipality during August 2013 to May 2014 in the different ecosystem such as cesspit, cesspools, drains, septic tank, containers either man-made or natural, rice fields, rice pot culture and ponds of the following stations viz., Vadakiruppu, Therkiruppu, Sivan Koil Street, Thiruvedkalam, Tobacco Garden, Arumuganar Nagar, Mariyappa Nagar, Agriculture Faculty. Five mosquito genera recorded in the different stations and the genus Culex was recorded as predominant species in Annamalainagar at both rainy and non-rainy seasons. Cesspit, cesspool, drainage, septic tank and rice field were identified as potential breeding sites. The higher number of mosquito recorded from August to December and January to May.