part_of rythmic process adult behavioural process adult circadian rhythm IDOMAL:0002392 IDOMAL:0002392 The activity patterns of wild mosquitoes have a phase relationship with the natural cycle of light and darkness. The times of activity of some species fall within the hours of daylight, those of other species during twilight or during the hours of darkness. The outward expression of an internal oscillator system that entrains to significant 24h oscillations in the external environment. idomal_namespace