title: Photoperiodic regulation of insect and molluscan hormones.
mesh_terms: D000818:Animals; D006728:Hormones / Q000502:physiology*; D007301:Insect Hormones / Q000502:physiology*; D007313:Insecta / Q000502:physiology*; D008027:Light; D008974:Mollusca / Q000502:physiology*; D010507:Periodicity
chemical_list: D006728:Hormones; D007301:Insect Hormones