Mosquito Species Diversity And Distribution in Three Riverine Communities in Taraba State, North-Eastern Nigeria
Journal Title: IOSR Journal of Pharmacy and Biological Sciences (IOSR-JPBS) - Year 2017, Vol 12, Issue 2
Abstract
Mostmosquitoes are nuisance and public health problem because the females consume blood and transmit diseases. Studies were carried out between September, 2015 and August 2016 to determine the composition and abundance of mosquito species in Taraba state, Nigeria. Indoor mosquitoes in riverine communities of Mayorenewa (Ardo Kola), Bali and Gyatanaure (Donga) were collected using Pyrethrum-Spray Catch complemented with electronic mosquito bat.A total of 3369 mosquitoes were collected comprising five genera: Anopheles 1686 (50.0%), Culex 1587 (47.1%), Mansonia 67 (2.0%), Sabethes 18 (0.5%), Toxorynchites 6 (0.2%) and Aedes 5 (0.2%). Species were identified using morphological and PCR-Restriction Length Fragment Polymorphism assay. Among the 2179 identified species 758 (34.7%) were An.gambiaesensulato..Characterisation of sibling species and molecular forms of An.gambiaes.l by PCR-RLFP showed: An.coluzzii 725 (95.6 %,), An.gambiae 24 (3.2%), An. coluzzii/An.gambiae hybrid 9 (1.2%) and Anopheles arabiensis 1 (0.19%). Shannon-Wiener and Simpson’s biodiversity index analysis showed that An. coluzzii was most predominant (indices 0.159 and 0.110) followed by Cx.pipiens(indices 0.13 and 0.029) and Cx. pilosus (indices 0.11 and 0.075). The least encountered species were An. pariensis, An.arabiensis and An. hancoki (indices 0.0015 and 0.0000002).Ardo Kola had the least diversity but highest dominance (0.6302 and 0.458), Bali had highest diversity, but moderate species frequrency (0.875 and 0.1425), whereas Donga had moderate diversity and dominance (0.8383 and 0.1936). Ardo Kola, Bali and Donga contributed 33.0%, 33.4% and 33.5% of identified mosquito species in the sudy area respectively. Analysis of variance showed no significant difference in abundance of species in study areas (P>0.05)
Authors and Affiliations
Lamidi, B. T. , Alo,E. B, Naphtali, R. S
Keywords
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- EP ID EP388683
- DOI 10.9790/3008-1202032128
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