Distribution and seasonal abundance of Anopheline mosquitoes and their association with rainfall around irrigation and non-irrigation areas in Nigeria

Distribution and seasonal abundance of Anopheline mosquitoes and their association with rainfall around irrigation and non-irrigation areas in Nigeria

Authors

  • Ebube Charles Amaechi Department of Zoology and Environmental Biology, Michael Okpara University of Agriculture, Umudike, Abia State, Nigeria Department of Zoology, University of Ilorin, Ilorin, Nigeria
  • Onyinye Mkpola Ukpai Department of Zoology and Environmental Biology
  • Carmelita Chima Ohaeri Department of Zoology and Environmental Biology, Michael Okpara University of Agriculture, Umudike, Abia State, Nigeria
  • Uzoamaka Blessing Ejike Department of Zoology and Environmental Biology, Michael Okpara University of Agriculture, Umudike, Abia State, Nigeria. Department of Biology/Microbiology, Abia State Polytechnic, Aba, Abia State, Nigeria.
  • Ozioma Prisca Irole-Eze Department of Zoology and Environmental Biology, Michael Okpara University of Agriculture, Umudike, Abia State, Nigeria
  • Onyekachi Egwu Department of Zoology and Environmental Biology, Michael Okpara University of Agriculture, Umudike, Abia State, Nigeria
  • Chidiogo Comfort Nwadike Department of Zoology, Nnamdi Azikiwe University, Awka, Anambra State, Nigeria

DOI:

https://doi.org/10.22458/urj.v10i2.2158

Keywords:

mosquitos, embalse de Omi, método de colecta, abundancia, Kogi

Abstract

The abundance of Anopheline mosquito species is the most common entomological measurement to determine the relationship between vectors and malaria incidence. We conducted an entomological survey to determine mosquito species diversity and abundance in relation to rainfall in Omi reservoir irrigation area, Nigeria. We collected adult mosquitoes from 10 randomly selected residential houses using Pyrethrum spray sheet and Human Landing Catch methods. We grouped the samples into irrigated (intervention) and non-irrigated (control) communities. During the 12-month sampling period, we collected a total of 4 285 mosquitoes belonging to 10 species in one family. The three most common species during this study were Anopheles gambiae, Anopheles funestus and Culex quinquefasciatus. Irrigated community has higher numbers of mosquitoes (69,4%) compared to those collected in non-irrigated community (32,0%). Comparing the two collection methods used, Pyrethrum spray sheet has a greater number 2 225(75,4%) of mosquitoes than those with Human Landing Catch method 724(24,6%). During dry season, we collected fewer mosquitoes. The lowest number was collected in February (114) and the highest occurring during the wet season in July (445).

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Published

2018-09-21

How to Cite

Amaechi, E. C., Mkpola Ukpai, O., Chima Ohaeri, C., Blessing Ejike, U., Irole-Eze, O. P., Egwu, O., & Comfort Nwadike, C. (2018). Distribution and seasonal abundance of Anopheline mosquitoes and their association with rainfall around irrigation and non-irrigation areas in Nigeria. UNED Research Journal, 10(2), 267–272. https://doi.org/10.22458/urj.v10i2.2158

Issue

Vol. 10 No. 2 (2018)

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Articles

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