Species Composition and Abundance of Mosquitoes in Selected Areas of Gobu Sayo District, West Oromia, Ethiopia.
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Date
2018-09-09
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Addis Ababa University
Abstract
Prior to implementing vector control, it is always important to have baseline information
about the species present and their densities. This study was conducted in selected areas
of Gobu Sayo district East Wollega Zone, West Oromia, Ethiopia between September
and August; 2018. It was intended to identify mosquito species present and estimate their
abundance. Hand collection, spray sheet collection and hand net collection methods were
used. It was investigated that Anopheles; Culex and Aedes mosquitoes are widely found
in the study areas. The mosquitoes belong to Family Culicidae ;- ( subfamily anophelinae
and culicinae). Those mosquitoes were morphologically identified by using identification
key under compound microscope based on their morphological characteristics. Anopheles
were 600, the most predominant in all the selected areas. The second most abundant was
culicine mosquitoes 260 followed by Aedes 40. Generally, 900 individual adult
mosquitoes were sampled from the three kebeles. The main rainy season usually extends
from June to August and short rainy season occurs in March to May. The mosquitoes
appear abundantly following the short rainy season (March to May) and the main rainy
season (September to December). The principal malaria vectors, female Anopheles
mosquitoes are abundant in the district.
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Keywords
Mosquito, Species Composition, Abundance, Gobu Sayo District