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OBJECTIVES  The  Aedes  mosquito is a vector for transmitting many arboviruses. Knowledge of the breeding habitat of this vector is vital for implementing appropriate interventions. Thus, this study was conducted to determine the breeding habitats and presence of  Aedes  mosquito species in the study areas.    METHODS  A house-to-house cross-sectional survey of  Aedes  mosquito breeding habitats was carried out in Metema and Humera, Ethiopia, in August 2017. All available water-holding containers present in and around houses were inspected for the presence of immature stages of  Aedes  mosquitoes, and they were collected and reared to the adult stage for species identification. In the larval survey, the house index, container index, and Breteau index were computed as risk indices.    RESULTS  Of the 384 houses surveyed for the presence of  Aedes  mosquito larval breeding, 98 were found to be positive for larvae. During the survey, a total of 566 containers were inspected, of which 186 were found to be infested with  Aedes  mosquito larvae, with a container index of 32.9, a house index of 25.5, and a Breteau index of 48.4. The most common  Aedes  mosquito breeding habitats were discarded tires (57.5%), followed by mud pots (30.0%). Of the 1,077 larvae and pupae collected and reared,  Aedes   aegypti  (49.3%),  Ae. vittatus  (6.5%), and  Culex  species (44.2%) were identified.    CONCLUSIONS  Discarded tires were the most preferred breeding habitats for  Aedes  mosquitoes. Moreover,  Ae. aegypti , the main vector of dengue and other arboviruses, was identified for the first time in this region, suggesting a high potential for arbovirus transmission in the study areas.

Distribution and larval breeding habitats of Aedes mosquito species in residential areas of northwest Ethiopia