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Comparison of the timing of onset of general dusk activity for male Anopheles coluzzii and An. gambiae s.s.in an actograph, September–October 2008. Cauchit curve fitted to data points for each species. Each data point indicates the proportion of males active in that minute, with n = six males of each species/night x 21 nights, i.e., 126 males of each species each minute, over 3 hours, i.e., 180 min).
