Species Composition And Abundance Of Mosquitoes In Selected Areas Of Gobu Sayo District West Oromia Ethiopia.

Prior to implementing vector control, it is always important to have baseline informationrnabout the species present and their densities. This study was conducted in selected areasrnof Gobu Sayo district East Wollega Zone, West Oromia, Ethiopia between Septemberrnand August; 2018. It was intended to identify mosquito species present and estimate theirrnabundance. Hand collection, spray sheet collection and hand net collection methods werernused. It was investigated that Anopheles; Culex and Aedes mosquitoes are widely foundrnin the study areas. The mosquitoes belong to Family Culicidae ;- ( subfamily anophelinaernand culicinae). Those mosquitoes were morphologically identified by using identificationrnkey under compound microscope based on their morphological characteristics. Anophelesrnwere 600, the most predominant in all the selected areas. The second most abundant wasrnculicine mosquitoes 260 followed by Aedes 40. Generally, 900 individual adultrnmosquitoes were sampled from the three kebeles. The main rainy season usually extendsrnfrom June to August and short rainy season occurs in March to May. The mosquitoesrnappear abundantly following the short rainy season (March to May) and the main rainyrnseason (September to December). The principal malaria vectors, female Anophelesrnmosquitoes are abundant in the district.

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