Abstract
Mosquitoes lay eggs in a wide range of habitats with different physicochemical parameters. Ecological data, including physicochemical factors of oviposition sites, play an important role in integrated vector management. Those data help the managers to make the best decision in controlling the aquatic stagesof vectors especially using source reduction. To study some physicochemical characteristics of larval habitat waters, an investigation was carried out in Ukkadam periyakullam lake Coimbatore. Water samples were collected during larval collection from three localities. The chemical parameters of water samples wereanalyzed based on mg/l using standard methods. Water temperature (°C), turbidity (NTU), total dissolved solids (ppm), electrical conductivity (μS/cm), and acidity (pH) were measured using digital testers. Thermotolerant coliforms of water samples were analyzed based on MPN/100ml. In total, 112 mosquito larvae were collected. There was no significant correlation between the abundance of larvae and the different physicochemical and microbial parameters. But fecal coliform was the major impacting factor in the study area.
Highlights
MATERIALS AND METHODSMosquitoes are surviving on earth since millions of years
The water samples were tested for its physico-chemical properties (Table 1)
The parameters of the three water samples were tested for homogeneity
Summary
Mosquitoes are surviving on earth since millions of years. They have always given tough time to men as important carriers of various diseases. Dengue, Filaria, Japanese encephalitis, West nile virus and Chikungunia are the major diseases spread globally by different mosquito. These diseases challenge the developed and developing countries of the world for irradicaton. Mosquitoes are very well recognized as vectors of protozoan, viruses and other pathogenic organisms, after the discoveries made by Sir Patrick Manson, Sir Ronald Ross and Sir Walter Reed. The increase in density of a vector species is very much dependent on climatological factors and water quality favorable for its breeding, and adult survival (Suresh chavathiya.2010). The basic aim of present study is to generate perfect baseline data about mosquito’s larva in Ukkadam Lake
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