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International Journal of Zoological Research

Year: 2020 | Volume: 16 | Issue: 2 | Page No.: 63-68
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Authors

Ebenezer Amawulu

Ebenezer Amawulu

Thomas Commander

Amain Amaebi

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Research Article

Effect of Physicochemical Parameters on Mosquito Larva Population in the Niger Delta University Campuses, Bayelsa State, Nigeria

Ebenezer Amawulu Ebenezer Amawulu's LiveDNA, Thomas Commander and Amain Amaebi
Background and Objective: The effective control of malaria through larva source management requires the information on the breeding sites and the physico chemical parameters that affects their abundance. This study investigated the ecology of mosquito larva in relation to the physico chemical parameter in the Niger Delta University campuses. Materials and Methods: Five breeding sites of mosquitoes were identified. Mosquito larva in each breeding sites was collected into labeled containers using standard procedures. Morphological identification of larva followed standard procedures. The physico chemical parameter: temperature, turbidity, salinity and conductivity, pH , CL and alkalinity of each of the mosquito breeding sites were determined following standard techniques. The relationship between larva productivity and physico chemical parameters were analysed using t-test and correlation matrix at 0.05 level of confidence. Results: Three hundred and fifty mosquito larva were collected from five microhabitats such as motor tyres, gutter, containers, water pools and block holes. A significantly high proportion of Culex quinquefasciatus larva were more productive in all the breeding sites than and A. gambiae (t = 2.966, p<0.05). Except for alkaline, Culex quinquefasciatus larva productivity showed significant positive correlation with temperature, Turbidity, salinity and conductivity. Anopheles gambiae larva productivity showed a significant positive correlation with temperature and alkalinity but were negatively correlated with Turbidity, salinity, conductivity and CL. Conclusion: The breeding adaptability of culex mosquitoes to wide range of microhabitats and tolerance to varied physico chemical parameter is an indication that there are increase transmission foci for filariasis in rural communities of Amassoma.
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