Initial 7-day activity profiles of P. hirtus adults under DD and LD. Graphs represent the first seven days of locomotor activity monitoring. Light-off phases indicated by grey overlays a, b adjusting animals in DD. Top right arrows indicate start of analyzed time span after the 3-day time window arbitrarily defined as adjustment phase c, d examples of adjusting animals in LD.

 
 
  Part of: Royzenblat S, Kulacic J, Friedrich M (2023) Evidence of ancestral nocturnality, locomotor clock regression, and cave zone-adjusted sleep duration modes in a cave beetle. Subterranean Biology 45: 75-94. https://doi.org/10.3897/subtbiol.45.100717