Figure 4From: Insecticide resistance in Culex quinquefasciatus from Zanzibar: implications for vector control programmesThe frequency of Cx. quinquefasciatus from the study sites on Zanzibar. Cx. quinquefasciatus specific primers were used to discriminate this species from samples from Wete (N = 19), Tibirinzi (N = 24) and Kilimani (N = 20). Samples which failed to amplify were classed as unknown 'Culex spp'.Back to article page