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Climatic Factors Affecting Density of Aedes aegypti (Diptera: Culicidae) in Kassala City, Sudan 2014/2015 | Abstract

➣ Original Article

➣ Asp Biomed Clin Case Rep. 2019 Oct 21;2(2):58-68

Ahmed RM1*, Hassan SM2, Elrahman AH3,4

1Department of Community Medicine, Faculty of Medicine and Health Sciences, University of Kassala, Sudan

2Department of Parasitology, Faculty of Veterinary Medicine, University of Khartoum, Sudan

3Director of National Veterinary Researches Center, Sudan

4Central Laboratory, Ministry of Higher Education and Scientific Research, Virology

Corresponding Author: Rbab Mohammed Hajhamed Ahmed

Address: Department of Community Medicine, Faculty of Medicine and Health Sciences, University of Kassala, Sudan; E-mail: hababhamed115@gmail.com

Received date: 21 September 2019; Accepted date: 14 October 2019; Published date: 21 October 2019

Abstract

Transmission of Dengue Hemorrhagic fever by Aedes aegypti mosquito is influenced by several environmental factors, namely temperature, humidity, and rainfall. This study aims at identifying the relationship between environmental factors and dengue vector population density. A longitudinal entomological study was performed in the city of Kassala, Sudan, in 20 households in each of the 20 clusters during the three seasons of 2014 and 2015. Data were collected using spotlight in any water-holding container where immature stages of Aedes spp. were detected. Immature mosquitoes were counted and classified into larvae and pupae. Ambient temperature and relative humidity in each cluster were recorded, and the total rainfall of Kassala City was obtained from the main Meteorological Station in Khartoum. There was a significant positive correlation between rainfall and number of Ae. aegypti females at Garb Algash and Khatmia areas. Larval instar 4 and pupae were positively correlated with high humidity at Khatmia and Altora areas. In autumn season, there was no strong correlation of all the stages with all climatic variables. There was also positive significant correlation between ambient low temperature and number of females in autumn season.

Citation: Ahmed RM, Hassan SM, Elrahman AH. Climatic Factors Affecting Density of Aedes aegypti (Diptera: Culicidae) in Kassala City, Sudan 2014/2015. Asp Biomed Clin Case Rep. 2019 Oct 21;2(2):58-68.

Copyright © 2019 Ahmed RM, Hassan SM, Elrahman AH. This is an open-access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Keywords: Aedes Aegypti; Climatic Factors; Mosquitoes; Sudan

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