Circadian light entrainment in Nasonia

Objectives: To investigate how the Nasonia circadian clock entrains to light cycles and whether adaptive changes to this underlying entrainment mechanism have generated the latitudinal clines we observe in circadian light sensitivity in Europe and America. Using genome screens for photic induction allied to mutagenesis, and populations of Nasonia collected at different latitudes and continents, we will identify photosensitive transcripts that have undergone adaptive changes along latitudinal clines.