AUTHOR=Hoffmann Klaus H. , Borovsky Dov , Kim Yonggyun TITLE=Editorial: The Role of Peptide Hormones in Insect Physiology, Biochemistry, and Molecular Biology Processes, Volume II JOURNAL=Frontiers in Physiology VOLUME=12 YEAR=2021 URL=https://www.frontiersin.org/journals/physiology/articles/10.3389/fphys.2021.815010 DOI=10.3389/fphys.2021.815010 ISSN=1664-042X