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Mosquito Fauna of a Tropical Museum and Zoological Garden Complex

By Animal Research International, University Of Nigeria, Nsukka.

Summary

ABSTRACT:
The mosquito fauna of Museum and Zoological Garden Complex (JZC), a major tourist attraction in Jos Metropolis of Nigeria, was studied The choice of the complex was out of public health curiosity. A total of 627 mosquitoes comprising 4 genera, Aedes, Culex, Coquilletidia and Eretmapodites, and 9 species were caught n two d fferent study trips. Five species, namely, Aedes aegypti, A. africanus, A. vittatus, Culex quinquefasciatus and Eretmapodites chrysogaster, caught by human bait method are known variously to be involved in the transmission of yellow fever and other viral diseases. Culex quinquefasciatus had the highest frequency followed by Aedes aegypti. Simpson’s dominance and Shannon-Wiener diversity indices of 0.4942 and 0.4550 were respect vely recorded for the whole mosquitoes sampled by the human bait method. C. quinqefasciatus was the most frequent species with diversity values of 0.4444 (Simpson’s) and 0.1174 (Shannon-Wiener), followed by A. aegypti with 0 0455 (Simpson’s) and 0.1431 (Shannon-Wiener). Ecological statistics demonstrated a highly significant dif erence in diversity between samples in March, during the dry season, and June in the rainy season (P < 0.001). The presence of man-biting mosquitoes in JZC constitutes apparent public health danger and calls for regular surveillance and control operations on such disease vectors in the complex.
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