SPECIES COMPOSITION AND SEASONAL DYNAMICS OF MOSQUITOES IN COIMBATORE, TAMIL NADU, INDIA.
Annapoorani C. A.*, Ayisha Chithiga S. and Manimegalai K.
ABSTRACT
Mosquitoes are causative agents for many diseases and affect millions of people worldwide. They produce humming shadows near our ears is irritating, after that they bite like pricking with a needle causes swelling and itching. A detailed investigation was undertaken to study the population dynamics of mosquito species namely, Culex quinquefasciatus, Culex vishnui, Culex pseudovishnu, Culex gelidus, Aedes aegypti and Armigeres subalbatus which were prevalent in the two selected areas namely Race course and Kavundampalayam of Coimbatore district, Tamil Nadu, India. During the study period meteorological parameter were also recorded to assess the influence of these factors on the mosquito population. Canonical Correspondence Analysis (CCA) was employed to study the pattern of variation in the population of mosquito species over a period of 12 months. Multiple linear correlation and regression analysis showed negative relationship between mosquito populations and maximum temperature and there is no relationship between other meteorological parameters such as minimum temperature, humidity and rainfall in selected areas. Canonical Correspondence Analysis showed population of C.gelidus with humidity (14.22h), C.vishnui, A.aegypti and A.subalbatus with humidity (07.22h) and C.quinquefasciatus with maximum temperature showed positive relationship in Race course.
Keywords: Culex quiquefaciatus, Mosquito population, Meteorological parameters.
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