Species composition of Anopheles mosquito in three villages of Uratta Owerri north local government area of Imo state Nigeria

VM Oguoma, OC Nwaorgu, EC Mbanefo, OO Ikpeze, JM Umeh, CI Eneanya, CA Ekwunife

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Abstract

Endo- and Exophagic Anopheles mosquitoes were collected between December 2008-May 2009 from three villages of Uratta Owerri North Local Government Area (LGA) of Imo State Nigeria. Indoor resting collections and human landing catches were employed using World Health Organisation (WHO) standard procedure. Of the 953 collected Anopheles mosquitoes, Anopheles gambiae complex 536 (56.2%) showed higher preponderance than An. funestus complex 306 (32.1%), An coustani 65 (6.8%) and An. moucheti 46 (4.8%). A total number of 311 males (32.6%) and 642 females (67.4%) mosquito were identified. A higher number of females 294 (74.1%) was identified in Owalla than other sampled villages - Owaelu 164 (63.3%), Umunahu 184 (62.0%). The number of engorged female Anopheles were highest in Owalla (47.2%) followed by Owaelu (46.9%), and then Umunahu (40.9%). Shannon-Wiener Diversity Index of the mosquito species was 0.4421 while the Simpson' Dominance of the species was 0.4241. There was no significant difference between species diversity for the three study communities (p>0.001). Vector control must be carried out in these communities to reduce the number of these indoor and out-door biting mosquitoes. This study therefore, will be useful as baseline data to help design strategies for malaria control in Owerri North LGA and also assist augment the on going effort of the Roll Back Malaria (RBM) Program in Imo State.
Original languageEnglish
Pages (from-to)192-196
Number of pages5
JournalReviews in Infection
Volume1
Issue number4
Publication statusPublished - 2010
Externally publishedYes

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Oguoma, VM., Nwaorgu, OC., Mbanefo, EC., Ikpeze, OO., Umeh, JM., Eneanya, CI., & Ekwunife, CA. (2010). Species composition of Anopheles mosquito in three villages of Uratta Owerri north local government area of Imo state Nigeria. Reviews in Infection, 1(4), 192-196.