Surveillance of Mosquito Species Abundance and Composition in Azare, Katagum Local Government of Bauchi State, Nigeria
Journal Title: IOSR Journal of Pharmacy and Biological Sciences (IOSR-JPBS) - Year 2016, Vol 11, Issue 6
Abstract
The distribution and abundance of mosquitos’ species in Azare, were studied between March to October, 2016. Mosquito species were sampled monthly from five (5) clusters randomly distributed across the city using dippers. The habitats sampled include containers, stagnant pools, domestic run-offs, footprints, vehicle tyres, and reservoirs and gutters. The larvae collected were preserved in 70% ethanol and identified microscopically to species level using standard morphological keys. The pupal collections were kept till emergence and identified as adults microscopically, with the aid of morphological keys. A total of 4,871 mosquito immature stages comprising 6 species were sampled from 5 randomly selected clusters of Azare town. The predominant species, constituting about 91.38% of the total collection of mosquito species, were Culex quinquefasciatus (57.89%), Cx. molestus (25.87%) and Cx. pipiens (7.62%). While Aedes aegypti, Aedes vittatus and Anopheles gambiae s.l. Species rarely occurred constituting 5.11%, 2.69% and 0.82% of the total collection respectively. The distribution of mosquito species in the study area indicated that 6 species occurred in 4 clusters; GRA, Fatara, Kakudi, and Matsango, while 5 species occurred in Kafin Kuka. There was no significant difference (p>0.05) in the occurrence of mosquito species composition among the clusters in the study area. The occurrence of Aedes, Anopheles and Culex is suggestive of the prevalence of vector-borne diseases such as malaria, yellow fever, dengue fever, filariasis and Arbovirus diseases in the area. Therefore, effective vector control programmes and public enlightenment especially on human activities that encourage mosquito breeding are recommended.
Authors and Affiliations
Abdulrasheed Dalhatu1, Aliyu Abdulhamid Omar, Hafsa Bagari3
Keywords
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