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THIRD PUBLICATION, JANUARY 2016. The Bioscientist. Vol. 3

The Bioscientist: Vol.4(1): 62 - 71, 2016
Available online at http://www.bioscientistjournal.com
Umeanaeto et al., 2016 Page 62

ECOLOGY OF MAN-BITING MOSQUITOES IN IKEGHE OKPATU, ENUGU STATE NIGERIA.
UMEANAETO, P.U1 , ONU, Q.U. 1 , IWUEZE, M.O. 1, UGWUANYI, I.K.1 ,EGBUCHE, C.M.OKWELOGU I.S. 1 AND IGBODIKA, C.M. 2

1Department of Parasitology and Entomology, Nnamdi Azikiwe University, Awka. 1

2Department of Biological Sciences, Anambra State University, Uli

*Corresponding Author’s Email: pu.umeanaeto@unizik.edu.ng

Click to view Abstract (Html) or Download PDF



*Corresponding Author’s Email: pu.umeanaeto@unizik.edu.ng

ABSTRACT (Download PDF)

Ecology of man-biting mosquitoes in Ikeghe Okpatu, Udi L.G.A, Enugu State was studied
between August and September 2014. The eggs of mosquitoes were collected using ovitraps.
Mosquito larvae were sampled from diverse habitats. Pyrethroid knock-down and human bait
techniques were used for collection of indoor and outdoor biting and resting adult mosquitoes
respectively. One hundred and sixteen (116) mosquitoes comprising five species were collected
as larvae. Culex tigripes 52 (44.8%) and Aedes albopictus 22 (18.9%) formed the bulk of the
larval collection. A total of fifty-seven (57) adult mosquitoes comprising four species were
collected as outdoor biting mosquitoes. Aedes albopictus 39 (68.4%) constituted the highest
percentage of outdoor biting mosquitoes. Twenty-two (22) adult mosquitoes comprising two
species: Anopheles gambiae 20 (91.0%) and Culex quinquefasciatus 2 (9.1%) were collected
indoors. A total of sixty-five (65) mosquitoes comprising six species were collected using
ovitraps: Aedes albopictus 39 (60.0%), Aedes circumluteolus 7 (10.7%), Aedes bromeliad 1
(1.5%), Aedes aegypti 5 (7.6%), Culex quinquefasciatus 12 (18.4%) and Eretmapodite
chrysogaster 1 (1.5%) with Aedes albopictus being the highest. The population of mosquitoes
encountered in this study is of public health concern. Therefore, extensive vector control is very
important in reducing the vector population and is therefore recommended.

Key words: Ecology, indoor, outdoor, man-biting mosquito, ovitrap, pyrethrum, Ikeghe Okpatu

© 2013. Journal of Faculty of Biosciences, Nnamdi Azikiwe University,

P. M. B. 5025 Awka, Nigeria.

email: thebioscientist@unizik.edu.ng

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