larval kinesis photokinesis IDOMAL:0002368 IDOMAL:0002368 It has been observed in Anopheles maculipennis and Anopheles messeae larvae in the laboratory. If exposed to bright light, fourth instar larvae moved about incessantly at the water surface and dived frequently. When by chance they entered a shaded part of the container they became inactive; as a result, almost all larvae congregated in the shade. idomal_namespace