Abstract
This study was conducted in Kosti town, White Nile State, Sudan, to determine the effect of the temperature and turbidity of water on breeding habitats of different species of mosquitoes. Data of water, temperature and turbidity were recorded. Immature stages of mosquitoes, collected by the dipping method from breeding habitats in three residential areas in Kosti town, were reared to adult stage and identified. It was found that the mean temperature of the water body from where large numbers were recovered ranged between 28-35°C. Aquatic stages of the mosquitos also, preferred water with high turbidity ranging from 451 to 650 ppm. The result concluded the early stage of most mosquito species were significantly positively correlated with temperature and turbidity of water.
Highlights
Water temperature is an important determinant of the growth and development rate of immature mosquitoes [1,2,3]
At the water temperature of (28-31°C) the mean number of immature stages of mosquito was found with the mean (40.13±2.50) that was significantly higher than (27.00 ± 5.67) at (24-27°C) (Table 1)
A. gambiae complex collected was significantly © Copyright iMedPub positively correlated with water temperature in Kosti town
Summary
Water temperature is an important determinant of the growth and development rate of immature mosquitoes [1,2,3]. Mosquitoes are ectotherms, each life stage is dependent on temperature in the developmental and mortality rates [4]. The ability to withstand high temperatures differs among species and even among larval instars [2]. The immature stages of most species are extremely sensitive to temperatures above 40°C during development [5]. Water temperature is positively correlated to larval density [6]. Higher temperatures allow Aedes spp. to grow faster and reach the adult stage earlier [7]
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