Credit: Michael L. Smith, Kevin J. Loope, James C. Makinson, Tatsuya Saga, Kevin J. Loope, Bajaree Chuttong (CC-BY 4.0, https://creativecommons.org/licenses/by/4.0/)
Honey bees and social wasps solve building problems with the same architectural tricks, including non-hexagonal cells, and intermediate-sized cells. Clockwise from top center: Apis mellifera (photo by Michael L. Smith), Vespula flavopilosa (photo by Kevin J. Loope), Apis andreniformis (photo by James C. Makinson), Vespula shidai (photo by Tatsuya Saga), Metapolybia mesoamerica (photo by Kevin J. Loope), and Apis florea (photo by Bajaree Chuttong).