n African Entomology - Twenty-three years after the first record of in Nigeria : its current distribution and potential epidemiological implications

Volume 23, Issue 2
  • ISSN : 1021-3589



(Skuse) was first recorded in Nigeria in 1991 during a post epidemiological surveillance of yellow fever epidemics in Delta State. In this report, we present a map of the current distribution of and its possible epidemiological implications based on accessible records of mosquito fauna in Nigeria using electronic e-journal searching engines. We also report the results of a field study on population dominance between and in a woodland habitat in southwestern Nigeria between March and November 2002. Of over 100 accessible papers on mosquito fauna in Nigeria, only 18 have reported information on Literature shows that became well established in southeastern Nigeria and then spread to other southern regions. There was no information about the species in northern Nigeria except Kano where a record of its breeding was reported. Data showed dominance of over in south eastern Nigeria but the reverse was observed during a field investigation at Ikenne farm-settlement in southwestern Nigeria. was perhaps involved in the transmission of arboviral infections and Bancroftian filariasis in southern Nigeria. Data show that is well established in southern Nigeria but not in arid zones of the country. Its establishment and role as a vector of arboviral infections and Bancroftian filariasis in southern Nigeria should be a source of concern. The present report therefore serves as a baseline map for future epidemiological surveillance and the understanding of ecological distribution of in the country.

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