Figure 1From: Differences in timing of mating swarms in sympatric populations of Anopheles coluzzii and Anopheles gambiae s.s. (formerly An. gambiae M and S molecular forms) in Burkina Faso, West AfricaActograph equipment to measure onset of spontaneous activity of individual male mosquitoes at dusk. A) arrangement of chambers that each hold a single mosquito, B) arrangement of video camera, actograph frame and infra-red lights, C) position of actograph apparatus within a protective framework, but exposed to ambient light, temperature and humidity.Back to article page