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International Journal of Zoology and Applied Biosciences Research Article

Species composition, distribution, abundance and vectorial capacity of an. gambiae in parts of Katsina state, Nigeria

Umar, A. M. and Ndams, I.S

Year : 2022 | Volume: 7 | Issue: 2 | Pages: 30-39

doi: https://doi.org/10.55126/ijzab.2022.v07.i02.007

Received on: 2022-02-27

Revised on: 2022-03-13

Accepted on: 2022-04-28

Published on: 30/04/2022

  • Umar, A. M. and Ndams, I.S( 2022).

    Species composition, distribution, abundance and vectorial capacity of an. gambiae in parts of Katsina state, Nigeria

    . International Journal of Zoology and Applied Biosciences, 7( 2), 30-39.

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Abstract

There is scanty data on the dynamics of Anopheles gambiaein Katsina State. Consequently, a study was undertaken from 2009 to 2014 to establish the species composition, distribution and abundance and vectorial capacity of An.gambiaein parts of Katsina State. Mosquitoes collected were identified morphologically using morphological keys, then subjected to PCR analysis utilizing standard methods. An. gambiaes.s. was the most preponderant, out of the 1069 adults reared from larvae, 972 (89.3%) were An. gambiaes.s. followed by An. arabiensis with 114 (10.7%). There was no significant difference between An. gambiaes.s.and An. arabiensis reared from larvae between Zones A, B and C of Katsina State. Also there was no significant difference between the two species(p>0.05, F=19). Nine hundred and one 901(95.1%) and 46 42.9%) adult collections were found to be An. gambiaes.s.and An. arabiensis respectively. The highest number of An. gambiaes.s. were from Dandume with 333 and 205 for reared adults and indoor collections respectively. The lowest number of 6 An. arabiensis was also recorded at Dandume. There was no significant difference between An. gambiaes.sand An. arabiensis caught indoors in Zones A, B and C and also no significant difference between the two species(P>0.05, F=19). As the number of P. malaria increases in An. gambiae, it decreases in P. falciparum. Chi-Square indicates no significant difference between the Plasmodium species (p< 0.05).EventhoughAn. gambiae was the most preponderant, there was no significant difference between An. gambiaes.s.and an. arabiensis.

Keywords

An. arabiensis, An. gambiaes.s.,Species composition, vectoral capacity, reared adults, Katsina State.

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    © The Author(s) 2025. This article is published by International Journal of Zoology and Applied Biosciences under the terms of the Creative Commons Attribution 4.0 International License (creativecommons.org), which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

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