Fig. 1

Behavioural analysis of flight activity in two sympatric species of wild-caught An. farauti complex mosquitoes. a Diagram of LAM25 unit to record individual mosquito activity by continuous infrared beam-break monitoring. b Representative actograms from individual An. farauti and An. hinesorum female mosquitoes. Days are reported on vertical axis and sequential 24 h periods are shown on the horizontal axis. Zeitgeber time (ZT) with ZT12 being the time of lights off, ZT10.5 the start of the 1.5 h dusk transition, and ZT0 the end of the 1.5 h dawn transition and 12 h after the onset of night. Flight activity presented in 6 min bins. Day and night are indicated by horizontal white/black bars. c Distribution of proportions of experimental mosquitoes by species and reproductive status