Relative abundance of mosquito species in Katsina Metropolis, Katsina State, Nigeria

A study was conducted on the relative abundance of mosquito species, around selected areas of Katsina metropolis, Katsina State, Nigeria during the months of January, February, April and June 2010. Mosquitoes were collected from five sampling sites: Kofar Durbi, Kofar Kaura, Kofar Marusa, GRA and Layout. These were conveyed in specimen bottles containing 5%formalin to the Biology Laboratory, Umaru MusaYar.Adua University.Atotal of 1,254 mosquitoes were collected and were identified by viewing under binocular stereo microscope with x40 magnification and compared to pictures of identified mosquitoes reported by Michele and George (1938). The mosquitoes comprised Anopheles gambiae, as the most abundant 553 (43. 3%), followed by Culex pipiens, 336 (26.8%), Anopheles arabiensis with 190 (15. 1%) and lastly Anopheles funestus 175 (13.9%).There was a significant difference in the relative abundance of mosquitoes with respect to season (