Reports

Action Spectra for Photoperiodic Response in a Diapausing Mosquito

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Science  24 Mar 1972:
Vol. 175, Issue 4028, pp. 1361-1362
DOI: 10.1126/science.175.4028.1361

Abstract

While 540 nanometers is the most effective wavelength in provoking development, larvae are far more responsive to 540-nanometer light if it is provided immediately preceding rather than followng a white-light photophase which otherwise serves to maintain diapause. This difference in sensitivity is probably due to bleaching and implies that the larvae experience an asymmetric day.