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International Journal of Mosquito Research
Vol. 6, Issue 6, Part B (2019)

Prevalence, habitat and productivity profiles of Aedes mosquitoes (Diptera: Culicidae) in Sennar state, Sudan

Author(s): Osama SB Eshag, Nabil HH Bashir and Mustafa YH Dukeen
Abstract: The Sudan has suffered through the last few years from several diseases transmitted by Aedes species mosquitoes (Diptera: Culicidae). This study was conducted as cross-sectional surveys during Sept. 2017–May 2018 to determine the existence, characterization, geographical distribution and larval habitats of Aedes mosquitoes in Singa, Sennar, Elsuki and Aldaly towns, Sennar State, Sudan, using a cluster sample method. A total of 840 households (HHs) were surveyed every 2wk for Aedes, using a specially designed format. All water-holding containers in and around the HHs were inspected for larvae and pupae. Larvae (4th instar) were mounted for species identification and the pupae were reared to the adult stage for species morphologically identification. The data were analyzed using SPSS. A total of 5,951 water containers were inspected. Of these, 2.7% were found to be positive for larvae or pupae. A total of 1,421 larvae and 358 pupae were collected from different containers. The most important habitat containers were clay-pots (Zeers). Aedes indices were calculated. Total House Index (HI) was 7.02%, container index (CI) was (2.8%), Breteau index (BI) was 19.6, and pupal/ demographic index (P/D) was 0.44. Ae. aegypti was 82.7%, Ae. africanus 14.5%, Ae. vittatus 1.9%, Ae. simpsoni 0.9% and Ae. scatophagoides was found as pupae only (9). Clay-pots were the most preferred breeding habitats for Aedes mosquitoes. Moreover, Ae. aegypti, is the dominant species in the study areas, suggesting a high potential for arbovirus transmission in the study areas. However, effective control strategies aiming to reduce the number of larvae/ pupae will have significant impact in minimizing the risk of arboviral transmission.
Relationships between Breteau Index, larvae, pupae collected at (Sept. 2017– Feb. 2018), Sinner State- Sudan (Y axis = BI, X axis = month)
Fig.: Relationships between Breteau Index, larvae, pupae collected at (Sept. 2017– Feb. 2018), Sinner State- Sudan (Y axis = BI, X axis = month)
Pages: 102-108  |  217 Views  16 Downloads
How to cite this article:
Osama SB Eshag, Nabil HH Bashir and Mustafa YH Dukeen. Prevalence, habitat and productivity profiles of Aedes mosquitoes (Diptera: Culicidae) in Sennar state, Sudan. International Journal of Mosquito Research. 2019; 6(6): 102-108.
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