Indoor activity pattern of An. gambiae s.s., An. arabiensis , and An. funestus s.s. female mosquitoes trapped by CDC miniature traps equipped with a collection bottle rotator in houses in which LLINs were used. Different letters indicate the significant difference (Tukey honestly significant difference test, p < 0.05), and bars indicate the 95% confidence limits for the total number of mosquitoes collected at each time period.