SOME PHYSICOCHEMICAL PARAMETERS OF WATER AND ABUNDANCE OF MOSQUITO LARVAE IN POTHOLES ON JOS ROADS IN NIGERIA
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Abstract
Some mosquitoes are known to be container breeders. A survey was conducted to determine some physicochemical parameters of water associated with mosquito breeding in potholes on abandoned road construction sites in Jos South Local Government Area of Plateau State between May and October 2016. Three sites were selected and sampled for mosquito larvae using soup ladle dipper method. The physicochemical parameters were determined using the APHA methods and were done in situ except, the Biological Oxygen Demand that was done using the Winkler method. The mosquito larvae were identified in the laboratory using some morphometric features. The result showed that the 1026 mosquito larvae collected comprised four species namely,Culex quinquefasciatus 726(70.76%), Aedes aegypti 183(17.84%) and Anopheles gambiae with Anopheles funestus 117(11.40%). Mosquito larvae abundance and physicochemical parameters determined were nearly perfectly correlated (P>0.05) which suggested that mosquito breeding had a good association with the prevailing physicochemical parameters. This study has revealed that all water parameters checked were pivotal to the composition of all species of mosquito larvae encountered.
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