Epidemiological implications of preferences of breeding sites of mosquito speciesin Midwestern Nigeria.

Jude Anosike 1, Anegbe Esekhegbe 1, Anthony Okere 1, Bethran Nwoke 1, Godwin R A Okogun 2
1 -
2 - Department of Medical Laboratory Sciences, College of Medicine, Ambrose AlliUniversity, P.M.B, 14, Ekpoma, Nigeria. graokogun@yahoo.com
Ann Agric Environ Med
2003; 10 (2):
ICID: 142706
The relative abundance of the aquatic stages of mosquito species distributionin two macrohabitats was studied between August 2001 and July 2002 using four different microhabitats(plastic cups, metal cans, bamboo cups and earthenware pots). The macrohabitats were subdivided intoAreas of Derived/Secondary Vegetation (ADSV) and Areas of High Human Activities (AHHA). The results revealedmosquito species belonging to three genera (Anopheles, Culex and Aedes species), which are known vectorsof four different human diseases (yellow fever, arboviruses in general, bancroftian filariasis, and malaria).Mosquito abundance in the three foci studied related to types of vegetation cover, amount of rainfalland its seasons, levels of human activities and population. Anopheles species were most abundant in bothhabitats, with a less marked effect of vegetation and human population. Culex species were relativelymore abundant than Aedes in AHHA than in ADSV. Plastic containers supported 57,391 (47.4 %) and metalcans 42,782 (35.4 %) of larva species harvested. There is a significant difference in mosquito larvaabundance in the two macrohabitats and different microhabitats studied (p < 0.05). A combination of factorsaccount for abundant mosquitoes breeding in rural areas with their associated diseases implications.The result of the findings are discussed with respect to their public health implications.
PMID 14677915 - click here to show this article in PubMed

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